Well, here they are. Randomly chosen from the book. The more I gather these the more I’m sure that V. Shnodgrate was (or is) a mental case.
(1) Experience is not failing many times; experience is learning from failing many times.
(2) Never berate yourself for something that is out of your control.
(3) Freedom of mind is a repression of imagination.
So, which one wins? Personally, I like #3.