If one could recover the uncompromising spirit of one's youth, one's greatest indignation would be for what one has become.
A desire for truth is by no means a need for certitude and it would be unwise to confuse one with the other.
Welcome anything that comes to you, but do not long for anything else.
Understanding is the beginning of approving.
The color of truth is gray.
An artist cannot get along without a public; and when the public is absent, what does he do? He invents it, and turning his back on his age, he looks toward the future for what the present denies.