There is a difference if we see something with a pencil in our hand or without one.

Whatever we succeed in doing is a transformation of something we have failed to do. Thus, when we fail, it is only because we have given up.

Two dangers constantly threaten the world: order and disorder.

One had to be a Newton to notice that the moon is falling, when everyone sees that it doesn't fall.

To see is to forget the name of the thing one sees.

Our judgments judge us, and nothing reveals us, exposes our weaknesses, more ingeniously than the attitude of pronouncing upon our fellows.

God created man and, finding him not sufficiently alone, gave him a companion to make him feel his solitude more keenly.