Ye shall know the truth, and the truth shall make you mad.
Pick battles big enough to matter, small enough to win.
Some luck lies in not getting what you thought you wanted but getting what you have, which once you have got it you may be smart enough to see is what you would have wanted had you known.
How to make it in show business–by Steve Martin: Be so good they can’t ignore you.
If you can walk, you can dance. If you can talk, you can sing.