1. All the time you're saying to yourself, 'I could do that, but I won't,' — which is just another way of saying that you can't.
Surely You're Joking, Mr. Feynman!: Adventures of a Curious Character
2. Congratulations!Today is your day.You're off to Great Places!You're off and away!
Oh, the Places You'll Go!
3. I've had great success being a total idiot.
4. If at first you don't succeed, destroy all evidence that you tried.
5. If at first you don't succeed, try, try again. Then quit. No use being a damn fool about it.