The life of the artist should be distinguished from that of all other people, even in external habits. They are Brahmins, a higher caste, not ennobled by birth, however, but through deliberate self-initiation.

Sense (for a particular art, science, human being, and so forth) is divided spirit; self-restraint is consequently the result of self-creation and self-destruction.

Both in their origins and effects, boredom and stuffy air resemble each other. They are usually generated whenever a large number of people gather together in a closed room.

The naive is what is or appears to be natural, individual, or classical to the point of irony or to the point of continuous alternation of self-creation and self-destruction. If it is only instinct, then it is childlike, childish, or silly; if it is only intention, it becomes affectation.

I can no longer say my love and your love; they are both alike in their perfect mutuality.

One should have wit, but not wish to have it; otherwise there will be witticism, the Alexandrian style of wit.

Mathematics is, as it were, a sensuous logic, and relates to philosophy as do the arts, music, and plastic art to poetry.