The formation of one's character ought to be everyone's chief aim.

It is the color closest to light. In its utmost purity it always implies the nature of brightness and has a cheerful, serene, gently stimulating character. Hence, experience teaches us that yellow makes a thoroughly warm and comforting impression.

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

Love can do much, but duty more.

What people call the spirit of the times is mostly their own spirit in which the times mirror themselves.

Truth is a torch, but a terrific one; therefore we all try to reach it with closed eyes, lest we should be scorched.

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.