Plagued with doubt and uncertainty in sensory knowledge, Descartes is struck with the idea that everything he knows is false. He considers the possibility that he has been deceived by an 'evil demon' and is left with nothing to lean on, until he arrives at the phrase 'cogito ergo sum' ('I think, therefore I am'). Among the most quoted philosophical works in history, Meditations on First Philosophy and Discourse on the Method together display the full workings of Descartes' skeptical method and the formation of his famous phrase.

In The WEIRDest People in the World, Joseph Henrich draws on cutting-edge research in anthropology, psychology, economics, and evolutionary biology to explore these questions and more. He illuminates the origins and evolution of family structures, marriage, and religion, and the profound impact these cultural transformations had on human psychology. Mapping these shifts through ancient history and late antiquity, Henrich reveals that the most fundamental institutions of kinship and marriage changed dramatically under pressure from the Roman Catholic Church.

明治期の文学者、夏目漱石の長編小説。初出は「東京朝日新聞」「大阪朝日新聞」［1909（明治42）年］。続いて書かれた「それから」「門」とあわせて前期三部作とされる。

Rousseau's Social Contract remains, after a quarter of a millennium, one of the most controversial texts in the history of political philosophy, variously seen as a model for participatory democracy, a blueprint for totalitarianism, and several points in between. In addition to Rousseau’s magnum opus, this production includes an introduction by George Douglas Howard Cole, an English political theorist, economist, writer and historian. Also included are three discourses that Rousseau composed apart from The Social Contract.

最大多数の最大幸福をめざす功利主義は目先の快楽追求に満足しないソクラテスの有徳な生き方と両立する。人間生活全般の根本原理として個人や社会が正義とともに個性や人類愛を尊重するよう後押しする功利主義