The most subtle art, the strongest and deepest art - supreme art - is the one that does not at first allow itself to be recognized.

Man: The most complex of beings, and thus the most dependent of beings. On all that made you up, you depend.

It is not always by plugging away at a difficulty and sticking to it that one overcomes it; often it is by working on the one next to it. Some things and some people have to be approached obliquely, at an angle.

Welcome anything that comes to you, but do not long for anything else.

I find just as much profit in cultivating my hates as my loves.

No theory is good unless it permits, not rest, but the greatest work. No theory is good except on condition that one use it to go on beyond.

I am lost if I attempt to take count of chronology. When I think over the past, I am like a person whose eyes cannot properly measure distances and is liable to think things extremely remote which on examination prove to be quite near.