I might say: if the place I want to get to could only be reached by way of a ladder, I would give up trying to get there. For the place I really have to get to is a place I must already be at now. Anything that I might reach by climbing a ladder does not interest me.

Man has to awaken to wonder - and so perhaps do peoples. Science is a way of sending him to sleep again.

When we can't think for ourselves, we can always quote

How small a thought it takes to fill a life.

What Copernicus really achieved was not the discovery of a true theory but of a fertile new point of view.

A man will be imprisoned in a room with a door that's unlocked and opens inwards; as long as it does not occur to him to pull rather than push it.

Uttering a word is like striking a note on the keyboard of the imagination.