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

"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."

"He who is not courageous enough to take risks will accomplish nothing in life."

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