The belief that youth is the happiest time of life is founded on fallacy. The happiest person is the person who thinks the most interesting thoughts, and we grow happier as we grow older.

The belief that youth is the happiest time of life is founded on fallacy. The happiest person is the person who thinks the most interesting thoughts, and we grow happier as we grow older.

The kind of happiness that stays with you is the happiness that springs from inward thoughts and emotions.

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

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.

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].

Honesty is not necessarily the best policy. The best policy would be to acquire a reputation for honesty and then to cheat at the psychological moment.