A failure is a man who has blundered, but is not able to cash in the experience.

In a state of nature, the weakest go to the wall; in a state of over-refinement, both the weak and the strong go to the gutter.

One great, strong, unselfish soul in every community would actually redeem the world.

Men are only as great as they are kind.

In the Life of Darwin by his son, there is related an incident of how the great naturalist once studied long as to just what a certain spore was. Finally he said, "It is this, for if it isn't, then what is it?" And all during his life he was never able to forget that he had been guilty of this unscientific attitude, for science is founded on certitude, not assumption.

One can endure sorrow alone, but it takes two to be glad.

Parties who want milk should not seat themselves on a stool in the middle of the field in hope that the cow will back up to them.