Blood is a destiny. One's genius descends in the stream from long lines of ancestry.

From forty to fifty a man must move upward, or the natural falling off in the vigor of life will carry him rapidly downward.

My right to swing my fist ends where your nose begins.

Be willing to commit yourself to a course, perhaps a long and hard one, without being able to foresee exactly where you will come out.

The joy of life is to put out one's power in some natural and useful or harmless way. There is no other. And the real misery is not to do this.

It's a good thing to be rich and a good thing to be strong, but it is a better thing to be beloved of many friends.

Beware of making your moral staple consist of the negative virtues.