Life is an end in itself, and the only question as to whether it is worth living is whether you have had enough of it.

There are many things which we can afford to forget which it is yet well to learn.

Every idea is an incitement. It offers itself for belief, and if believed it is acted on unless some other belief outweighs it or some failure of energy stifles the movement at its birth. The only difference between the expression of an opinion and an incitement is the speaker's enthusiasm for the result.

I despise making the most of one's time. Half of the pleasures of life consist of the opportunities one has neglected.

Systems die; instincts remain.

Even a dog distinguishes between being stumbled over and being kicked.

I have always sought to guide the future-but it is very lonely sometimes trying to play God.