John Stuart Mill, English philosopher, political economist, civil servant and Member of Parliament, was an influential liberal thinker of the 19th century. He was an exponent of utilitarianism, an eth…
Alexis Charles Henri Clérel, comte de Tocqueville, usually known as just Tocqueville, was a French aristocrat, diplomat, sociologist, political scientist, political philosopher, and historian. He is b…
Plato (Greek: Πλάτων), born Aristocles (c. 427 – 348 BC), was an ancient Greek philosopher of the Classical period who is considered a foundational thinker in Western philosophy and an innovator of t…
Jean-Paul Charles Aymard Sartre was a French philosopher, playwright, novelist, screenwriter, political activist, biographer, and literary critic, considered a leading figure in 20th-century French ph…
Daniel Defoe was an English novelist, journalist, merchant, pamphleteer and spy. He is most famous for his novel Robinson Crusoe, published in 1719, which is claimed to be second only to the Bible in …
Aristotle (Greek: Αριστοτέλης; 384–322 BC) was an Ancient Greek philosopher and polymath. His writings cover a broad range of subjects spanning the natural sciences, philosophy, linguistics, economic…
Genevan philosopher and writer Jean Jacques Rousseau held that society usually corrupts the essentially good individual; his works include The Social Contract and Émile (both 1762).
Thomas Hobbes was a British philosopher and a seminal thinker of modern political philosophy. His ideas were marked by a mechanistic materialist foundation, a characterization of human nature based on…
Immanuel Kant was an 18th-century philosopher from Königsberg, Prussia (now Kaliningrad, Russia). He's regarded as one of the most influential thinkers of modern Europe & of the late Enlightenment. Hi…
Hannah Arendt (1906 – 1975) was one of the most influential political philosophers of the twentieth century. Born into a German-Jewish family, she was forced to leave Germany in 1933 and lived in Pari…
Epictetus was a Greek Stoic philosopher. He was probably born a slave at Hierapolis, Phrygia (present day Pamukkale, Turkey), and lived in Rome until his exile to Nicopolis in northwestern Greece, whe…
The Prince, book of Niccolò Machiavelli, Italian political theorist, in 1513 describes an indifferent ruler to moral considerations with determination to achieve and to maintain power.
Jonathan Haidt is the Thomas Cooley Professor of Ethical Leadership at New York University’s Stern School of Business. He obtained his PhD in social psychology from the University of Pennsylvania in 1…
Jordan B. Peterson is a Canadian clinical psychologist, self-help writer, cultural critic and professor of psychology at the University of Toronto. His main areas of study are in abnormal, social, and…
Sir Thomas More (1477-1535), venerated by Catholics as Saint Thomas More, was an English lawyer, social philosopher, author, statesman, and noted Renaissance humanist. He was a councillor to Henry VII…
Charles-Louis de Secondat, baron de La Brède et de Montesquieu, generally referred to as simply Montesquieu, was a French social commentator and political thinker who lived during the Enlightenment. H…
Lucius Annaeus Seneca (often known simply as Seneca or Seneca the Younger); ca. 4 BC – 65 AD) was a Roman Stoic philosopher, statesman, and dramatist of the Silver Age of Latin literature. He was tuto…
Dante Alighieri, or simply Dante (May 14/June 13 1265 – September 13/14, 1321), is one of the greatest poets in the Italian language; with the story-teller, Boccaccio, and the poet, Petrarch, he forms…
Early church father and philosopher Saint Augustine served from 396 as the bishop of Hippo in present-day Algeria and through such writings as the autobiographical Confessions in 397 and the volum…