Greek: Philosophy
The complete dialogues of Plato, the treatises of Aristotle, Epictetus’ Discourses, and Marcus Aurelius’ private meditations — philosophy in the language that invented it. Every text below is a complete parsing reader: click any word for its lemma, morphology, and full entry from the Liddell-Scott-Jones lexicon.
583 works
- TheophrastusAeneas of Gaza
- On Human NatureAesara of Lucania (attributed)
- Alcibiades and Miltiades (Papyrus Fragments)Aeschines of Sphettus
- FragmentsAeschines of Sphettus
- Placita (Theodoret Excerpts)Aetius (doxographer)
- Placita (Stobaean Tradition)Aetius (doxographer)
- Introduction to Plato's DialoguesAlbinus
- DidaskalikosAlcinous (attributed)
- On Nature (Fragments)Alcmaeon of Croton
- TestimoniaAlcmaeon of Croton
- Commentary on Aristotle's Posterior Analytics (Fragments)Alexander of Aphrodisias
- Doctrine of the Intellect (Testimonia)Alexander of Aphrodisias
- On MixtureAlexander of Aphrodisias
- On FateAlexander of Aphrodisias
- Commentary on Aristotle's MetaphysicsAlexander of Aphrodisias
- Commentary on Aristotle's Prior Analytics IAlexander of Aphrodisias
- Commentary on Aristotle's TopicsAlexander of Aphrodisias
- On the SoulAlexander of Aphrodisias
- Mantissa (Supplement to On the Soul)Alexander of Aphrodisias
- Commentary on Aristotle's De SensuAlexander of Aphrodisias
- Commentary on Aristotle's MeteorologyAlexander of Aphrodisias
- QuaestionesAlexander of Aphrodisias
- Ethical ProblemsAlexander of Aphrodisias (attributed)
- Critique of the Doctrines of ManichaeusAlexander of Lycopolis
- Letter to PorphyryAmelius
- Commentary on Aristotle's Prior Analytics IAmmonius son of Hermias
- Commentary on Aristotle's CategoriesAmmonius son of Hermias
- Commentary on Aristotle's Prior Analytics I (On Necessary Syllogisms)Ammonius son of Hermias
- Commentary on Aristotle's On InterpretationAmmonius son of Hermias
- Commentary on Porphyry's IsagogeAmmonius son of Hermias
- LettersPseudo-Anacharsis
- On Nature (Fragments)Anaxagoras
- TestimoniaAnaxagoras
- On Kingship (Fragments)Anaxarchus
- TestimoniaAnaxarchus
- FragmentsAnaximander
- TestimoniaAnaximander
- FragmentsAnaximenes of Miletus
- TestimoniaAnaximenes of Miletus
- On Passions, Part 1Pseudo-Andronicus of Rhodes
- On Passions, Part 2: On Virtues and VicesPseudo-Andronicus of Rhodes
- Anonymus IamblichiAnonymous
- Commentary on Aristotle's Posterior Analytics, Book 1 (Excerpts)Anonymous
- Commentary on Aristotle's Sophistical RefutationsAnonymous
- Comparison of Menander and PhilistionAnonymous
- Concise Account of the Modes of Sophistical ObjectionsAnonymous
- Derveni PapyrusAnonymous
- Dissoi LogoiAnonymous
- Epicurean Memoir of Epicurus and His Friends (PHerc. 176, frr. 4–34)Anonymous
- Philosophical Treatise (PHerc. 1667)Anonymous
- Pythagorean Memoirs (Anonymus Alexandri)Anonymous
- Pythagorean SimilitudesAnonymous
- Sentences of the PythagoreansAnonymous
- Anonymous Prolegomena to Platonic PhilosophyAnonymous
- Dialogue on Political ScienceAnonymous
- Epicurean Memoir of Epicurus and His Friends (PHerc. 176, frr. 1–5)Anonymous
- Letters of the SocraticsAnonymous
- Pythagorean School (Fragments and Testimonia)Anonymous
- Commentary on Aristotle's Nicomachean Ethics, Book 7Anonymous
- Commentary on Aristotle's Posterior Analytics, Book 2Anonymous
- Commentary on Plato's TheaetetusAnonymous
- Paraphrase of Aristotle's Sophistical RefutationsAnonymous
- Paraphrase of Aristotle's CategoriesAnonymous
- Commentary on Aristotle's Nicomachean Ethics, Books 2–5Anonymous
- Fragments and TestimoniaAntiochus of Ascalon
- Fragments and TestimoniaAntipater of Tarsus
- Selected FragmentsAntiphon the Sophist
- TestimoniaAntiphon the Sophist
- Truth (Fragments)Antiphon the Sophist
- FragmentsAntiphon the Sophist
- FragmentsAntisthenes
- TestimoniaAntisthenes (Heraclitean)
- TestimoniaApollodorus of Cyzicus
- FragmentsApollodorus of Seleucia
- LettersApollonius of Tyana (attributed)
- FragmentsApollophanes (Stoic)
- Fragments and TestimoniaArchedemus of Tarsus
- FragmentsArchelaus (philosopher)
- TestimoniaArchelaus (philosopher)
- FragmentsPseudo-Archytas
- FragmentsArchytas of Tarentum
- TestimoniaArchytas of Tarentum
- TestimoniumArimnestus
- On HarmonyPseudo-Aristaeus (Pythagorean)
- FragmentsAristobulus (Jewish philosopher)
- Fragments and TestimoniaAristocles of Messene
- On SightPseudo-Aristombrotus
- FragmentsAriston of Ceos
- Fragments and TestimoniaAriston of Chios
- Constitution of the AtheniansAristotle
- EconomicsAristotle
- Eudemian EthicsAristotle
- MetaphysicsAristotle
- Nicomachean EthicsAristotle
- On Virtues and VicesAristotle
- PoeticsAristotle
- PoliticsAristotle
- LettersPseudo-Aristotle
- On Divination in SleepAristotle
- On DreamsAristotle
- On Indivisible LinesPseudo-Aristotle
- On Length and Shortness of LifeAristotle
- On Melissus, Xenophanes and GorgiasPseudo-Aristotle
- On Memory and RecollectionAristotle
- On Sleep and WakingAristotle
- On the Soul, Book II (Alternative Version, Codex E)Aristotle
- On the Soul, Book II (Codex P Readings)Aristotle
- On Youth and Old Age, On Life and DeathAristotle
- Physics, Book VII (Alternative Version)Aristotle
- CategoriesAristotle
- Divisiones AristoteleaePseudo-Aristotle
- On InterpretationAristotle
- On RespirationAristotle
- On Sense and SensibiliaAristotle
- On the CosmosPseudo-Aristotle
- On Generation and CorruptionAristotle
- On Sophistical RefutationsAristotle
- On the SoulAristotle
- FragmentsAristotle
- On the HeavensAristotle
- Prior and Posterior AnalyticsAristotle
- PhysicsAristotle
- TopicsAristotle
- ProtrepticusAristotle (attributed)
- Magna MoraliaAristotle (attributed)
- Epitome of Physics (Fragments)Arius Didymus
- Epitome of EthicsArius Didymus (attributed)
- Commentary on Aristotle's Metaphysics (Books A–Z)Asclepius of Tralles
- Commentary on Nicomachus' Introduction to ArithmeticAsclepius of Tralles
- Commentary on Aristotle's Nicomachean EthicsAspasius
- Against Those Who Interpret Plato through Aristotle (Fragments)Atticus
- TestimoniaBasilides (Stoic)
- FragmentsBion of Borysthenes
- FragmentsBoethus of Sidon (Stoic)
- TestimoniaBoidas
- On Mind and Thought (Fragment)Pseudo-Brontinus
- TestimoniaBrontinus
- Management of the Estate (Fragments)Pseudo-Bryson
- On Numbers (Fragment)Pseudo-Butherus
- Letter to AlexanderPseudo-Calanus
- On the Happiness of the Household (Fragments)Pseudo-Callicratidas
- TestimoniaCarneades
- Philistas, Book IICarneiscus
- Philistas, Book II (Minor Fragments)Carneiscus
- Tablet of CebesPseudo-Cebes
- The True Word (Fragments)Celsus (Platonist)
- TestimoniaCercops
- FragmentsChamaeleon
- Fragments (Papyrus Addenda)Chamaeleon
- Preambles to the LawsPseudo-Charondas
- Fragments Assigned to Individual BooksChrysippus
- Fragments on HomerChrysippus
- Logical and Physical FragmentsChrysippus
- Ethical FragmentsChrysippus
- Papyrus FragmentChrysippus (attributed)
- On the Kriterion and HegemonikonClaudius Ptolemaeus
- Hymn to Zeus and Verse FragmentsCleanthes
- Fragments and TestimoniaCleanthes
- FragmentsClearchus of Soli
- TestimoniaCleidemus (physicist)
- FragmentsPseudo-Clinias of Tarentum
- TestimoniaClinias of Tarentum
- SentencesClitarchus (gnomologist)
- Compendium of Greek TheologyCornutus
- FragmentsCrantor
- Verse FragmentsCrantor
- LettersPseudo-Crates of Thebes
- TestimoniaCratylus
- FragmentsCrinis
- FragmentsCritias
- TestimoniaCritias
- On Prudence (Fragment)Pseudo-Crito (Pythagorean)
- FragmentsCritolaus
- Commentary on the Phaedo (Version II)Damascius
- Lectures on the PhilebusDamascius
- Commentary on the ParmenidesDamascius
- Commentary on the Phaedo (Version I)Damascius
- On First PrinciplesDamascius
- On Prudence and Good Fortune (Fragments)Pseudo-Damippus
- TestimoniaDamon and Phintias
- FragmentsDamon of Oa
- TestimoniaDamon of Oa
- Prolegomena to PhilosophyDavid the Invincible
- Commentary on Porphyry's IsagogeDavid the Invincible
- FragmentsDemetrius of Phalerum
- FragmentsDemocritus
- TestimoniaDemocritus
- SayingsDemonax (attributed)
- On Aristotle's CategoriesDexippus (philosopher)
- FragmentsDicaearchus
- FragmentsDio Chrysostom
- On Nature (Fragments)Diogenes of Apollonia
- TestimoniaDiogenes of Apollonia
- Fragments and TestimoniaDiogenes of Babylon
- Epicurean Inscription (Fragments)Diogenes of Oenoanda
- EpistlesPseudo-Diogenes of Sinope
- FragmentsDiogenianus the Epicurean
- Fragments and TestimoniaDionysius the Renegade
- TestimoniaDiotimus of Tyre
- FragmentsPseudo-Diotogenes
- On BeautyPseudo-Dius the Pythagorean
- TestimoniaEchecrates of Phlius
- On KingshipPseudo-Ecphantus
- TestimoniaEcphantus
- Commentary on Aristotle's Prior AnalyticsElias
- Prolegomena to Philosophy and Commentary on Porphyry's IsagogeElias
- Commentary on Aristotle's CategoriesElias (attributed)
- FragmentsEmpedocles
- TestimoniaEmpedocles
- PseudepicharmeaPseudo-Epicharmus
- Pseudepicharmea (Papyrus Fragments)Pseudo-Epicharmus
- Fragments (Diels–Kranz)Epicharmus (attributed)
- DiscoursesEpictetus
- FragmentsEpictetus
- Gnomology (Books 1-2)Epictetus
- Gnomology (Books 3-4)Epictetus
- The HandbookEpictetus
- Fragments of Uncertain LocationEpicurus
- Letter to PythoclesEpicurus
- Principal DoctrinesEpicurus
- Vatican SayingsEpicurus
- Letters (Fragments)Epicurus
- Fragments of Lost WorksEpicurus
- FragmentsEudemus of Rhodes
- TestimoniaEudromus
- On LifePseudo-Euryphamus
- On FortunePseudo-Eurytus
- TestimoniaEurytus
- FragmentsEusebius of Myndus
- FragmentsFavorinus
- On the Best Method of TeachingGalen
- On the Parts of PhilosophyPseudo-Galen
- On Verbal FallaciesGalen
- Introduction to LogicGalen
- On the Diagnosis and Treatment of the Errors of the SoulGalen
- On the Diagnosis and Treatment of the Passions of the SoulGalen
- Philosophical HistoryPseudo-Galen
- That the Capacities of the Soul Depend on the Mixtures of the BodyGalen
- That Qualities Are IncorporealGalen (attributed)
- Paraphrase of Aristotle's Nicomachean EthicsPseudo-Heliodorus of Prusa
- FragmentsHeraclides of Pontus
- LettersPseudo-Heraclitus
- Letters 4 and 7Pseudo-Heraclitus
- On Nature (Fragments)Heraclitus
- TestimoniaHeraclitus
- Homeric ProblemsHeraclitus the Allegorist
- FragmentsHerillus
- Fragments and TestimoniaHermarchus
- Asclepius (Greek Words)Hermetica
- Corpus Hermeticum I: PoimandresHermetica
- Corpus Hermeticum IIHermetica
- Corpus Hermeticum III: A Sacred DiscourseHermetica
- Corpus Hermeticum IV: The Mixing Bowl, or the MonadHermetica
- Corpus Hermeticum IX: On Understanding and SensationHermetica
- Corpus Hermeticum V: That the Invisible God Is Most ManifestHermetica
- Corpus Hermeticum VI: That the Good Is in God AloneHermetica
- Corpus Hermeticum VII: The Greatest Evil Is Ignorance of GodHermetica
- Corpus Hermeticum VIII: That Nothing That Exists PerishesHermetica
- Corpus Hermeticum X: The KeyHermetica
- Corpus Hermeticum XI: Mind to HermesHermetica
- Corpus Hermeticum XII: On the Common MindHermetica
- Corpus Hermeticum XIII: On RebirthHermetica
- Corpus Hermeticum XIV: To AsclepiusHermetica
- Corpus Hermeticum XVI: Definitions of Asclepius to King AmmonHermetica
- Corpus Hermeticum XVIIHermetica
- Corpus Hermeticum XVIII: On the Soul Hindered by the Body's AffectionsHermetica
- FragmentsHermetica
- On God (P.Berol. 17027)Hermetica
- Stobaean Hermetic ExcerptsHermetica
- Scholia on Plato's PhaedrusHermias of Alexandria
- Fragments and TestimoniaHermodorus of Syracuse
- Commentary on the Golden VersesHierocles of Alexandria
- Fragments (Stobaeus)Hierocles the Stoic
- Elements of EthicsHierocles the Stoic
- Fragments (Suda)Hierocles the Stoic (attributed)
- FragmentsHieronymus of Rhodes
- On Tranquillity (Fragments)Pseudo-Hipparchus (Pythagorean)
- TestimoniaHippasus of Metapontum
- FragmentsHippias of Elis
- TestimoniaHippias of Elis
- FragmentsPseudo-Hippodamus
- TestimoniaHippodamus
- FragmentsHippon
- TestimoniaHippon
- De Communi Mathematica ScientiaIamblichus
- On Nicomachus' Introduction to ArithmeticIamblichus
- ProtrepticusIamblichus
- On the Pythagorean LifeIamblichus
- On the MysteriesIamblichus
- Theology of ArithmeticIamblichus (attributed)
- TestimoniaIccus of Tarentum
- TestimoniaIdaeus of Himera
- Testimonia (Diels–Kranz)Ion of Chios
- Triagmos and Other FragmentsIon of Chios
- Commentary on Aristotle's On the SoulJohn Philoponus
- Commentary on Aristotle's PhysicsJohn Philoponus
- Against Proclus on the Eternity of the WorldJohn Philoponus
- Commentary on Aristotle's Posterior AnalyticsJohn Philoponus
- Commentary on Aristotle's Prior AnalyticsJohn Philoponus
- Commentary on Aristotle's On Generation and CorruptionJohn Philoponus
- Commentary on Aristotle's CategoriesJohn Philoponus
- Commentary on Aristotle's MeteorologyJohn Philoponus
- FragmentsLeucippus
- TestimoniaLeucippus
- HalcyonPseudo-Lucian of Samosata
- The CynicPseudo-Lucian of Samosata
- TestimoniaLyco of Tarentum
- FragmentsLyco of Troas
- TestimoniaLycophron (sophist)
- Letter to HipparchusPseudo-Lysis of Tarentum
- TestimoniaLysis of Tarentum
- Ad Se IpsumMarcus Aurelius
- On Numbers (Fragment)Pseudo-Megillus
- Letter to ClearetaMelissa (attributed)
- On Nature or On Being (Fragments)Melissus
- TestimoniaMelissus
- TestimoniaMenestor
- On VirtuePseudo-Metopus
- Fragments (DK 70)Metrodorus of Chios
- TestimoniaMetrodorus of Chios
- TestimoniaMetrodorus of Lampsacus (the Elder)
- Commentary on Aristotle's Generation of AnimalsMichael of Ephesus
- Physika (Fragment)Pseudo-Milon
- FragmentsModeratus of Gades
- FragmentsMonimus
- LettersPseudo-Musonius Rufus
- Minor FragmentsMusonius Rufus
- LecturesMusonius Rufus
- Letter to PhyllisPseudo-Myia
- FragmentsNausiphanes of Teos
- TestimoniaNausiphanes of Teos
- FragmentsNessas of Chios
- TestimoniaNessas of Chios
- Theologumena Arithmeticae (Fragments)Nicomachus of Gerasa
- FragmentsNumenius of Apamea
- FragmentsPseudo-Ocellus Lucanus
- On the Nature of the UniversePseudo-Ocellus Lucanus
- TestimoniaOcellus Lucanus
- Detection of Frauds (Fragments)Oenomaus of Gadara
- Prolegomena to LogicOlympiodorus the Younger
- Commentary on Plato's PhaedoOlympiodorus the Younger
- Commentary on Aristotle's MeteorologyOlympiodorus the Younger
- Commentary on Plato's GorgiasOlympiodorus the Younger
- Commentary on Aristotle's CategoriesOlympiodorus the Younger
- Commentary on Plato's First AlcibiadesOlympiodorus the Younger
- Scholia on Aristotle's De InterpretationeOlympiodorus the Younger (attributed)
- On God and the Divine (Fragment)Pseudo-Onatas
- On Nature (Fragments)Parmenides
- TestimoniaParmenides
- TestimoniaParmeniscus
- TestimoniaParon
- On Parents (Fragments)Pseudo-Pempelus
- FragmentsPseudo-Perictione
- Fragments and TestimoniaPersaeus
- TestimoniaPetron of Himera
- FragmentsPhaenias of Eresus
- FragmentsPherecydes of Syros
- Letter to ThalesPseudo-Pherecydes of Syros
- TestimoniaPherecydes of Syros
- Hypothetica (Fragments)Philo of Alexandria
- On Drunkenness (Fragments)Philo of Alexandria
- On Providence (Fragments)Philo of Alexandria
- On SobrietyPhilo of Alexandria
- On the Contemplative LifePhilo of Alexandria
- On the GiantsPhilo of Alexandria
- Questions and Answers on Exodus (Fragments)Philo of Alexandria
- On AgriculturePhilo of Alexandria
- On Mating with the Preliminary StudiesPhilo of Alexandria
- On PlantingPhilo of Alexandria
- On Rewards and PunishmentsPhilo of Alexandria
- On the CherubimPhilo of Alexandria
- On the Confusion of TonguesPhilo of Alexandria
- On the DecaloguePhilo of Alexandria
- On the Eternity of the WorldPhilo of Alexandria
- On the Sacrifices of Abel and CainPhilo of Alexandria
- Questions and Answers on Genesis (Fragments)Philo of Alexandria
- That Every Good Person Is FreePhilo of Alexandria
- That God Is UnchangeablePhilo of Alexandria
- On AbrahamPhilo of Alexandria
- On DrunkennessPhilo of Alexandria
- On Flight and FindingPhilo of Alexandria
- On JosephPhilo of Alexandria
- On the Change of NamesPhilo of Alexandria
- On the Creation of the WorldPhilo of Alexandria
- On the Migration of AbrahamPhilo of Alexandria
- On the Posterity of CainPhilo of Alexandria
- On the VirtuesPhilo of Alexandria
- That the Worse Is Wont to Attack the BetterPhilo of Alexandria
- Who Is the Heir of Divine Things?Philo of Alexandria
- On DreamsPhilo of Alexandria
- On the Life of MosesPhilo of Alexandria
- Allegorical InterpretationPhilo of Alexandria
- On the Special LawsPhilo of Alexandria
- Fragments from the FlorilegiaPhilo of Alexandria (attributed)
- Papyrus Fragments of an Unidentified WorkPhilo of Alexandria (attributed)
- On Numbers (Fragments)Philo of Alexandria (attributed)
- On MusicPhilodemus
- On the Gods, Book 8 (PHerc. 139)Philodemus
- On the Stoics (PHerc. 155)Philodemus
- On the Stoics (PHerc. 339)Philodemus
- On RhetoricPhilodemus
- On AngerPhilodemus
- On the Gods, Book 3Philodemus
- Index StoicorumPhilodemus
- On PietyPhilodemus
- On Nature (Fragments)Philolaus
- TestimoniaPhilolaus
- On the Moderation of WomenPseudo-Phintys
- Bibliotheca, Codex 212 (Aenesidemus)Photius
- Alcibiades 1Plato
- Alcibiades 2Plato
- ApologyPlato
- CharmidesPlato
- CleitophonPlato
- CratylusPlato
- CritiasPlato
- CritoPlato
- EpinomisPlato
- EuthydemusPlato
- EuthyphroPlato
- GorgiasPlato
- Greater HippiasPlato
- HipparchusPlato
- IonPlato
- LachesPlato
- LawsPlato
- Lesser HippiasPlato
- LettersPlato
- LoversPlato
- LysisPlato
- MenexenusPlato
- MenoPlato
- MinosPlato
- ParmenidesPlato
- PhaedoPlato
- PhaedrusPlato
- PhilebusPlato
- ProtagorasPlato
- RepublicPlato
- SophistPlato
- StatesmanPlato
- SymposiumPlato
- TheaetetusPlato
- TheagesPlato
- TimaeusPlato
- DefinitionsPseudo-Plato
- Spurious Dialogues (On Justice, Sisyphus, Eryxias, Axiochus)Pseudo-Plato
- EnneadsPlotinus
- De musicaPseudo-Plutarch
- Placita PhilosophorumPseudo-Plutarch
- De libidine et aegritudinePlutarch
- Utrum pars an facultas animi affectibus subiecta sitPlutarch
- FragmentsPlutarch
- On the Soul (Fragments)Plutarch (attributed)
- On Irrational ContemptPolystratus
- Ethical Treatise (PHerc. 346)Polystratus (attributed)
- Fragment (Simplicius, In Physica 247–248)Porphyry
- History of Philosophy (Fragments)Porphyry
- IsagogePorphyry
- Letter to AneboPorphyry
- Letter to MarcellaPorphyry
- On StatuesPorphyry
- On the Cave of the NymphsPorphyry
- Philosophy from OraclesPorphyry
- TestimoniaPorphyry
- Against the Christians (Fragments)Porphyry
- Commentary on Plato's Timaeus (Fragments)Porphyry
- SentencesPorphyry
- On AbstinencePorphyry
- On Aristotle's CategoriesPorphyry
- Commentary on Plato's ParmenidesPorphyry (attributed)
- To Gaurus on How Embryos Are EnsouledPorphyry (attributed)
- TestimoniaPosidonius
- FragmentsPosidonius
- FragmentsPraxiphanes
- On Theophrastus on Sense-PerceptionPriscian of Lydia
- Chaldaean Philosophy (Fragments)Proclus
- On the Hieratic ArtProclus
- Platonic Theology (Excerpts)Proclus
- Elements of PhysicsProclus
- On ProvidenceProclus
- On the Existence of EvilsProclus
- Ten Doubts concerning ProvidenceProclus
- Commentary on Plato's TimaeusProclus
- Commentary on Plato's CratylusProclus
- Commentary on Plato's RepublicProclus
- Elements of TheologyProclus
- Platonic Theology (Books 1–5)Proclus
- Commentary on Plato's ParmenidesProclus
- Commentary on the First Book of Euclid's ElementsProclus
- Commentary on Hesiod's Works and DaysProclus
- Commentary on Plato's Alcibiades IProclus
- FragmentsProdicus
- TestimoniaProdicus
- FragmentsProtagoras
- TestimoniaProtagoras
- Pythagorean Elements of Music (Fragments)Ptolemais of Cyrene
- Fragments and TestimoniaPseudo-Pythagoras
- Golden VersesPseudo-Pythagoras
- TestimoniaPythagoras
- On the Gods and the WorldSallustius
- Scholia on Aristotle's Sophistical Refutations (Prolegomena and 164a-169a33)Scholia
- Scholia on Aristotle's Sophistical Refutations (164a20-181b25)Scholia
- Scholia on Aristotle's Sophistical Refutations (165a8-184a3)Scholia
- SentencesSecundus the Silent (attributed)
- TestimoniaSeven Sages
- Apophthegms of the Seven SagesSeven Sages (attributed)
- Precepts of the Seven Sages (Sosiades)Seven Sages (attributed)
- Sayings of the Seven Sages (Demetrius of Phalerum)Seven Sages (attributed)
- Sentences of the Seven SagesSeven Sages (attributed)
- On the Soul (Fragment)Severus the Platonist
- Against the MathematiciansSextus Empiricus
- Outlines of PyrrhonismSextus Empiricus
- Sentences of SextusSextus the Pythagorean (attributed)
- Commentary on Aristotle's On the HeavensSimplicius
- Commentary on Aristotle's PhysicsSimplicius
- Commentary on Aristotle's CategoriesSimplicius
- Commentary on Epictetus' HandbookSimplicius
- Commentary on Aristotle's On the SoulSimplicius (attributed)
- TestimoniaSimus of Posidonia
- LettersPseudo-Socrates
- Paraphrase of Aristotle's Parva NaturaliaSophonias
- Paraphrase of Aristotle's On the SoulSophonias
- TestimoniaSosigenes (Stoic)
- Letters (Socratic Epistles 31–33)Pseudo-Speusippus
- FragmentsSpeusippus
- Letter to PhilipSpeusippus (attributed)
- Commentary on Aristotle's On InterpretationStephanus of Alexandria
- On KingshipPseudo-Sthenidas of Locri
- AnthologyStobaeus
- Fragments and TestimoniaStrato of Lampsacus
- To Paeonius, on the Gift of an AstrolabeSynesius of Cyrene
- DionSynesius of Cyrene
- On DreamsSynesius of Cyrene
- The Egyptians, or On ProvidenceSynesius of Cyrene
- Commentary on Aristotle's MetaphysicsSyrianus
- On CircumstancesTeles
- On ExileTeles
- On Freedom from PassionTeles
- On Poverty and WealthTeles
- On Seeming and BeingTeles
- On Self-SufficiencyTeles
- That Pleasure Is Not the GoalTeles
- TestimoniaThales
- FragmentsThales (attributed)
- TestimoniaTheagenes of Rhegium
- On Virtue (Fragments)Pseudo-Theages
- Fragments and LettersPseudo-Theano
- Discourse on SpeakingThemistius
- Exhortation to the Nicomedians to Study PhilosophyThemistius
- On FriendshipThemistius
- On Not Paying Attention to Places but to MenThemistius
- On Prudence (Fragment)Themistius
- On Speaking, or How the Philosopher Should SpeakThemistius
- On the Names of Emperor and ConsulThemistius
- The Man of Moderate Feelings, or The Lover of His ChildrenThemistius
- Paraphrase of Aristotle's Posterior AnalyticsThemistius
- Paraphrase of Aristotle's PhysicsThemistius
- Paraphrase of Aristotle's Prior Analytics IPseudo-Themistius
- Paraphrase of Aristotle's On the SoulThemistius
- CharactersTheophrastus
- MetaphysicsTheophrastus
- On Piety (Fragments)Theophrastus
- Physical Opinions (Fragments)Theophrastus
- On the SensesTheophrastus
- FragmentsTheophrastus
- On the Election of Magistrates (Vatican Fragment)Theophrastus (attributed)
- TestimoniaThrasyalces of Thasos
- On the Nature of the World and the SoulPseudo-Timaeus of Locri
- TestimoniaTimaeus of Locri
- FragmentsTimon of Phlius
- TestimoniaXeniades of Corinth
- Fragments and TestimoniaXenocrates of Chalcedon
- FragmentsXenophanes
- TestimoniaXenophanes
- TestimoniaXenophilus (Pythagorean)
- Letters (Fragments)Pseudo-Xenophon
- TestimoniaXuthus
- Preamble to the LawsPseudo-Zaleucus
- Fragments and TestimoniaZeno of Citium
- Letter to AntigonusZeno of Citium (attributed)
- On Nature (Fragments)Zeno of Elea
- Fragments and TestimoniaZeno of Tarsus