Everything factual is, in a sense, theory. The blue of the sky exhibits the basic laws of chromatics. There is no sense in looking for something behind phenomena: they are theory.

Certain flaws are necessary for the whole. It would seem strange if old friends lacked certain quirks.

Man's restlessness makes him strive.

Power is neither male nor female.

A man's errors are what make him amiable.

Let him who believes in immortality enjoy his happiness in silence; he has no reason to give himself airs about it.

Whoever would do good in the world, ought not to deal in censure. We ought not to destroy, but rather construct.