Ideas come in pairs and they contradict one another; their opposition is the principal engine of reflection.
Jean-Paul SartreWhat I ask of [the writer] is not to ignore the reality and the fundamental problems that exist. The world's hunger, the atomic threat, the alienation of man, I am astonished that they do not color all our literature.
Jean-Paul SartreThe For-itself, in fact, is nothing but the pure nihilation of the In-itself; it is like a hole of being at the heart of Being.
Jean-Paul Sartre