Book's

Kitcher elaborates a comprehensive vision of the evolution of human morality...For serious students of ethics, this is the indispensable book.--H. C. Byerly"Choice" (04/01/2012)

This magnificent book promises to be a heavyweight contribution to the field of moral philosophy. Kitcher is one of the most elegant writers in the business; his thinking is subtle and profound.--Richard Joyce, Victoria University Of Wellington

A person has needs in life, and the needs are arranged and gradual, some of them are basic and necessary, some of them touch his physical needs, and they are the ones that preserve his survival and presence in life, and some affect the mental and psychological side, and they help in his advancement, progress and creativity.

 John Gerassi had just this opportunity as a child, his mother and father were very close friends with Jean-Paul Sartre and Simone de Beauvoir and the couple became for him like surrogate parents. Authorized by Sartre to write his biography.

Through the interviews with both their informalities and their tensions, Sartre’s greater complexities emerge. In particular we see Sartre wrestling with the apparent contradiction between his views on freedom and the influence of social conditions on our choices and actions. We also gain insight into his perspectives on the Spanish Civil War, World War II, and the disintegration of colonialism.

Berdyev's life was nothing but a triangular struggle against the aristocratic environment in which his family belonged and lived in it, against the revolutionary Marxist environment in which he lived during his first youth and against the orthodox environment in which he lived a mature period in a certain sense.