The reason fat men are good natured is they can neither fight nor run.

Believe you can and you're halfway there.

There is superstition in science quite as much as there is superstition in theology, and it is all the more dangerous because those suffering from it are profoundly convinced that they are freeing themselves from all superstition.

Property belongs to man and not man to property.

Comparison is the thief of joy.

There is nothing more distressing ... than the hard, scoffing spirit which treats the allegation of dishonesty in a public man as a cause for laughter. Such laughter is worse than the crackling of thorns under a pot, for it denotes not merely the vacant mind, but the heart in which high emotions have been choked before they could grow to fruition.

We should not forget that it will be just as important to our descendants to be prosperous in their time as it is to us to be prosperous in our time.