One of the worst forms of mental suffering is boredom, not knowing what to do with oneself and one's life. Even if man had no monetary, or any other reward, he would be eager to spend his energy in some meaningful way because he could not stand the boredom which inactivity produces.

The human passions transform man from a mere thing into a hero, into a being that in spite of tremendous handicaps tries to make sense of life.

Love is union with somebody, or something, outside oneself, under the condition of retaining the separateness and integrity of one's own self.

It is notorious that no war between countries elicits as much hate and cruelty as civil war, in which there is no lack of acquaintance between the two warring sides.

I would define myself as a Marxian, and that means of course also as a humanist.

I think we got off the track, as many societies do, who follow successfully one aim, and yet are not capable of seeing at what point the pursuit of this aim prevents them from following a more total aim. That is to say, they get into a blind alley.

The task we must set for ourselves is not to feel secure, but to be able to tolerate insecurity.