There is but one truly serious philosophical problem: Suicide. Judging whether life is or is not worth living amounts to answering the fundamental question of philosophy. Introduction to Albert Camus’ “The Myth of Sisyphus”

How did an existential psychotherapist survive the horrors of the Holocaust? In “Man’s Search for Meaning” Viktor Frankl emphasizes the importance of meaning and shows how one may find meaning even in suffering

Man is a meaning seeking creature in a universe that offers no meaning. Hence the absurdity of existence