Not doing more than the average is what keeps the average down.

A middle-aged cat will often play as unreservedly as a kitten, though he knows perfectly well it is only a game.

My religious faith remains in possession of the field only after prolonged civil war with my naturally skeptical mind.

Real happiness is not dependent on external things. The pond is fed from within. The kind of happiness that stays with you is the happiness that springs from inward thoughts and emotions. You must cultivate your mind if you wish to achieve enduring happiness.

Real happiness is not dependent on external things.

The principle of happiness should be like the principle of virtue: it should not be dependent of things, but be a part of personality [and character].

Never try to outsmart a woman, unless you are another woman.