Explore the collection

Philosophers and Their Core Ideas

Meet a selective group of thinkers whose ideas illuminate the questions explored throughout Thinking Paths. Each profile introduces central themes, historical context, influential arguments, and important limits or disputes, offering a place to begin rather than a complete account of the philosopher or the philosophical canon.

Distinct tactile forms arranged in conversation around a shared center

Aristotle

Aristotle was an ancient Greek philosopher whose ethics asks what it means for a human life to go well through activity, character, practical judgment, relationships, and favorable conditions.

Follow this path →

Confucius

Confucius was an ancient Chinese teacher and thinker, traditionally dated 551–479 BCE, whose dialogues emphasize learning, moral cultivation, humane relationships, ritual practice, appropriate judgment, and leadership by ethical example.

Follow this path →

David Hume

David Hume was an eighteenth-century Scottish philosopher who examined how experience, habit, feeling, and social life support beliefs about causation, the self, agency, and morality.

Follow this path →

Friedrich Nietzsche

Friedrich Nietzsche was a nineteenth-century German philosopher and cultural critic who investigated how values arise, whose forms of life they support, and whether inherited ideals can withstand historical and psychological scrutiny.

Follow this path →

Immanuel Kant

Immanuel Kant was an eighteenth-century philosopher whose moral philosophy asks how rational agents can bind themselves through universal principles while respecting every person as an end.

Follow this path →

John Locke

John Locke was a seventeenth-century English philosopher whose work on knowledge, personal identity, natural rights, property, consent, and toleration helped shape later debates about the self and legitimate government.

Follow this path →

John Rawls

John Rawls was a twentieth-century political philosopher who asked which principles free and equal persons could accept for the basic institutions of society under fair conditions of choice.

Follow this path →

John Searle

John Searle is a philosopher of language and mind whose work examines how utterances perform actions, how mental states are about things, and whether computation is sufficient for understanding.

Follow this path →

John Stuart Mill

John Stuart Mill was a nineteenth-century British philosopher and political economist who connected individual liberty and experimentation with a consequentialist concern for human well-being and social progress.

Follow this path →

Plato

Plato was an ancient Greek philosopher who used dialogues to investigate how people should live, what knowledge requires, and how justice connects individual character with political institutions.

Follow this path →

René Descartes

René Descartes was a seventeenth-century French philosopher, mathematician, and natural philosopher who used disciplined doubt to search for secure knowledge and developed an influential distinction between thinking mind and extended body.

Follow this path →

Simone de Beauvoir

Simone de Beauvoir was a twentieth-century French philosopher and writer who examined how freedom is lived through bodies, relationships, history, unequal power, and conditions no person chooses alone.

Follow this path →