LL Cool J
You have to always continue to strive no matter how hard things get, no matter how troubled you feel. No matter how tough things get, no matter how many times you lose, you keep trying to win.
More quotes and aphorisms
Failure is central to engineering...When I was 18, I was moving to New York...How far that little candle throws its beams!...Humankind cannot bear very much reality...Moral values, and a culture and a religion...Almost only counts...