Look at a man the way he is and he only becomes worse, but look at him as if he were what he could be, then he becomes what he should be.
Don't give us your doubts, gives us your certainties, for we have doubts enough of our own.
It is impossible that beauty should ever distinctly appreciate itself.
Man's restlessness makes him strive.
He loves not who does not see the faults of the beloved as virtues.
The true, prescriptive artist strives after artistic truth; the lawless artist, following blind instinct, after an appearance of naturalness. The one leads to the highest peaks of art, the other to its lowest depths.