Don't let love interfere with your appetite. It never does with mine.

Success is a poison that should only be taken late in life and then only in small doses.

Late hours, nocturnal cigars, and midnight drinkings, pleasurable though they may be, consume too quickly the free-flowing lamps of youth, and are fatal at once to the husbanded candle-ends of age.

It is a grand thing to rise in the world. The ambition to do so is the very salt of the earth. It is the parent of all enterprise, and the cause of all improvement.

A novelist's characters must be with him as he lies down to sleep, and as he wakes from his dreams. He must learn to hate them and to love them.

Life is so unlike theory.

For there is no folly so great as keeping one's sorrows hidden.