Spirit borrows from matter the perceptions on which it feeds and restores them to matter in the form of movements which it has stamped with its own freedom.
To exist is to change, to change is to mature, to mature is to go on creating oneself endlessly.
Think like a man of action, act like a man of thought.
The present contains nothing more than the past, and what is found in the effect was already in the cause.
The only cure for vanity is laughter, and the only fault that is laughable is vanity.
Religion is to mysticism what popularization is to science.
Intelligence is the faculty of making artificial objects, especially tools to make tools.
There is no greater joy than that of feeling oneself a creator. The triumph of life is expressed by creation.
The eye sees only what the mind is prepared to comprehend.
Wherever anything lives, there is, open somewhere, a register in which time is being inscribed.