The secret of happiness is to admire without desiring. And that is not happiness.

The secret of happiness is to find a congenial monotony.

To follow, without halt, one aim: that's the secret of success.

The secret of happiness is variety, but the secret of variety, like the secret of all spices, is knowing when to use it.

The secret of masonry is to keep a secret.

The secret of my success is my hairspray.