It is equally a mistake to hold one's self too high, or to rate one's self too cheap.

Every individual who is not creative has a negative, narrow, exclusive taste and succeeds in depriving creative being of its energy and life.

Painting predicates what man wants to see, and what man ought to see, not what he ordinarily sees.

The close and thoughtful observer more and more learns to recognize his limitations. He realizes that with the steady growth of knowledge more and more new problems keep on emerging.

Every great idea exerts, on first appearing, a tyrannical influence: Hence, the advantages it brings are turned all too soon into disadvantages.

He who enjoys doing and enjoys what he has done is happy.

We have time enough if we but use it aright