Fascism is cured by reading, and racism is cured by traveling

There are people who are so full of common sense that they haven't the slightest cranny left for their own sense.

Anyone who in discussion relies upon authority uses, not his understanding, but rather his memory.

Science is a cemetery of dead ideas, even though life may issue from them.

Philosophy fulfills the need to create for ourselves a single and complete concept of the world and of life.

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

Our life is a hope which is continually converting itself into memory and memory in its turn begets hope.