I hated every minute of training, but I said, 'Don't quit. S... - Muhammad Ali

"You lose nothing when fighting for a cause ... In my mind the losers are those who don't have a cause they care about."

"Friendship... is not something you learn in school. But if you haven't learned the meaning of friendship, you really haven't learned anything."

"I hated every minute of training, but I said, 'Don't quit. Suffer now and live the rest of your life as a champion.'"

"I hated every minute of training, but I said, 'Don't quit. Suffer now and live the rest of your life as a champion'."

"Friendship is the hardest thing in the world to explain. It's not something you learn in school. But if you haven't learned the meaning of friendship, you really haven't learned anything."