A beautiful woman is a picture which drives all beholders nobly mad.

The cardinal virtue of a teacher [is] to protect the pupil from his own influence.

"Do not call yourself an "artist-photographer" and make "artist-painters" and "artist-sculptors" laugh; call yourself a photographer and wait for artists to call you brother."

Artists must be sacrificed to their art.

The primary wisdom is intuition. In that deep force, the last fact behind which analysis cannot go, all things find their origin.

A dilettantism in nature is barren and unworthy. A fop of fields is no better than his brother on Broadway.

When a man thinks happily, he finds no foot-track in the field he traverses. All spontaneous thought is irrespective of all else.