Faith is the highest passion in a human being. Many in every generation may not come that far, but none comes further.

I stick my finger into existence and it smells of nothing.

Doubt is thought's despair; despair is personality's doubt. . . . Doubt and despair . . . belong to completely different spheres; different sides of the soul are set in motion. . . . Despair is an expression of the total personality, doubt only of thought.

...it is presumptuous ridicule of God if someone thinks that only the person who desires great wealth chooses mammon. Alas, the person who insists on having a penny without God, wants to have a penny all for himself. He thereby chooses mammon. A penny is enough, the choice is made, he has chosen mammon; that it is little makes not the slightest difference. The love of God is hatred of the world and love of the world hatred of God.

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

If anyone on the verge of action should judge himself according to the outcome, he would never begin.

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.