About Jean-Paul Sartre:
Jean-Paul Charles Aymard Sartre was a French philosopher, playwright, novelist, political activist, biographer, and literary critic. He was one of the key figures in the philosophy of existentialism and phenomenology, and one of the leading figures in 20th-century French philosophy and Marxism.
The most clear-sided view of the darkest possible situation is itself an act of optimism
Jean-Paul Sartre