It is not where we breathe, but where we Love, that we live.

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

It was not to save a nation that Abraham went to sacrifice Isaac, nor to appease angry gods... Then why does Abraham do it? For God's sake... He does it for the sake of God because God demands proof of his faith... He was not justified by being virtuous, but by being an individual submitted to God in faith.

In a mathematical proposition, for example, the objectivity is given, but therefore its truth is also an indifferent truth.

Where am I? Who am I? How did I come to be here? What is this thing called the world? How did I come into the world? Why was I not consulted? And If I am compelled to take part in it, where is the director? I want to see him.

You love the accidental. A smile from a pretty girl in an interesting situation, a stolen glance, that is what you are hunting for, that is a motif for your aimless fantasy. You who always pride yourself on being an observateur must, in return, put up with becoming an object of observation. Ah, you are a strange fellow, one moment a child, the next an old man; one moment you are thinking most earnestly about the most important scholarly problems, how you will devote your life to them, and the next you are a lovesick fool. But you are a long way from marriage.

No one may pride himself at being more than an individual, and no one despondently think that he is not an individual.