I never spend more than one hour in a gallery. That is as long as one's power of appreciation persists.

When you are young you take the kindness people show you as your right.

Comedy appeals to the collective mind of the audience and this grows fatigued; while farce appeals to a more robust organ, their collective belly.

Imagination grows by exercise, and contrary to common belief, is more powerful in the mature than in the young.

An art is only great and significant if it is one that all may enjoy. The art of a clique is but a plaything.

The highest activities of consciousness have their origins in physical occurrences of the brain, just as the loveliest melodies are not too sublime to be expressed by notes.

No affectation of peculiarity can conceal a commonplace mind.