For nothing is more democratic than logic; it is no respecter of persons and makes no distinction between crooked and straight noses.

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.

It is doubtful whether anyone who has travelled widely has found anywhere in the world regions more ugly than in the human face.

I am affected, not because you have deceived me, but because I can no longer believe in you.

I have never come across someone who could inspire more respect than the Greek philosophers.

It is always consoling to think of suicide: in that way one gets through many a bad night.

God is a too palpably clumsy answer; an answer which shows a lack of delicacy towards us thinkers-fundamentally, even a crude prohibition to us: you shall not think!