A man's shortcomings are taken from his epoch; his virtues and greatness belong to himself.

One can't dull a project better than by discussing it repeatedly.

On top of the world, or in the depths of despair.

There is nothing more frightful than for a teacher to know only what his scholars are intended to know.

We are pantheists when we study nature, polytheists when we write poetry, monotheists in our morality.

People should talk less and draw more. Personally, I would like to renounce speech altogether and, like organic nature, communicate everything I have to say visually.

Hypotheses are lullabies for teachers to sing their students to sleep.