Three can keep a secret if two of them are dead

The secret of happiness is to admire without desiring.

I think I've discovered the secret of life-you just hang around until you get used to it

I'm always asked, 'What's the secret to success?' But there are no secrets. Be humble. Be hungry. And always be the hardest worker in the room.

We've discovered the secret of life.

The secret of getting ahead is getting started-

The secret of success in life is to eat what you like and let the food fight it out inside.