The intellectual world is divided into two classes - dilettantes, on the one hand, and pedants, on the other.

To fall into a habit is to begin to cease to be.

Warmth, warmth, more warmth! for we are dying of cold and not of darkness. It is not the night that kills, but the frost.

Martyrs create faith, faith does not create martyrs.

The principle itself of dogmatic religion, dogmatic morality, dogmatic philosophy, is what requires to be rooted out; not any particular manifestation of that …

An expert is a man who has made all the mistakes which can be made in a very narrow field.

What's an expert? I read somewhere, that the more a man knows, the more he knows, he doesn't know. So I suppose one definition of an expert would be someone wh…