Where unclarity resides, there is temptation, and there it proves only too easily the stronger. Wherever there is ambiguity, wherever there is wavering, there is disobedience down at the bottom.

All essential knowledge relates to existence, or only such knowledge as has an essential relationship to existence is essential knowledge.

The more people who believe something, the more apt it is to be wrong. The person who's right often has to stand alone.

Prayer does not change God, but it changes him who prays.

What is a poet? An unhappy man who hides deep anguish in his heart, but whose lips are so formed that when the sigh and cry pass through them, it sounds like lovely music.... And people flock around the poet and say: 'Sing again soon' - that is, 'May new sufferings torment your soul but your lips be fashioned as before, for the cry would only frighten us, but the music, that is blissful.

...a human being not only can choose but... he must choose... for in this way God retains His honor while at the same time has a fatherly concern for humankind. Though God has lowered Himself to being that which can be chosen, yet each person must on his part choose. God is not mocked. Therefore the matter stands thus: If a person avoids choosing, this is the same as the presumption of choosing the world.

And this is the simple truth - that to live is to feel oneself lost. He who accepts it has already begun to find himself, to be on firm ground. Instinctively, as do the shipwrecked, he will look around for something to which to cling, and that tragic, ruthless glance, absolutely sincere, because it is a question of his salvation, will cause him to bring order into the chaos of his life. These are the only genuine ideas; the ideas of the shipwrecked. All the rest is rhetoric, posturing, farce.