The mortal race is far too weak not to grow dizzy on unwonted brights.

Mathematics can remove no prejudices and soften no obduracy. It has no influence in sweetening the bitter strife of parties, and in the moral world generally its action is perfectly null.

The artist alone sees spirits. But after he has told of their appearing to him, everybody sees them.

Solitude is fine when you are at peace with yourself and have something definite to do.

Progress has not followed a straight ascending line, but a spiral with rhythms of progress and retrogression, of evolution and dissolution.

Art is a severe business; most serious when employed in grand and sacred objects. The artist stands higher than art, higher than the object. He uses art for his purposes, and deals with the object after his own fashion.

The important thing is not to know more than all men, but to know more at each moment than any particular man.