The secret of reaping the greatest fruitfulness and the greatest enjoyment from life is to live dangerously.

Every characteristic absence of spirituality, every piece of common vulgarity, is due to an inability to resist a stimulus - you have to react, you follow every impulse.

In order to be somebody you have to hold even your shadow in high regard.

Through searching out origins, one becomes a crab. The historian looks backwards, and finally he also believes backwards.

When one gives up the Christian faith, one pulls the right to Christian morality out from under one's feet. This morality is by no means self-evident. Christianity is a system, a whole view of things thought out together. By breaking one main concept out of it, the faith in God, one breaks the whole. It stands or falls with faith in God.

All of life is a dispute over taste and tasting.

The bite of conscience, like the bite of a dog into a stone, is a stupidity.