Grown-ups never understand anything for themselves, and it is tiresome for children to be always and forever explaining things to them.
It is only with the heart that one can see rightly; what is essential is invisible to the eye.
Neither intelligence nor judgment are creative. If a sculptor is nothing but science and intelligence his hands will have no talent.
In anything at all, perfection is finally attained, not when there is no longer anything to add, but when there is no longer anything to take away.
Let a man in a garret but burn with enough tensity and he will set fire to the whole world.