A man of sixty has spent twenty years in bed and over three years in eating.

If egotism means a terrific interest in one's self, egotism is absolutely essential to efficient living.

Worry is evidence of an ill-controlled brain; it is merely a stupid waste of time in unpleasantness. If men and women practiced mental calisthenics as they do physical calisthenics, they would purge their brains of this foolishness.

Time is the explicable raw material of everything.

Of all the inhabitants of the inferno, none but Lucifer knows that hell is hell, and the secret function of purgatory is to make of heaven an effective reality.

As a rule people don't collect books; they let books collect themselves.

The gain in self-confidence of having accomplished a tiresome labour is immense.