Motivational quotes of great Muhammad Ali that you must listen

"Float like a butterfly, sting like a bee." "I am the greatest." "I know where I'm going and I know the truth, and I don't have to be what you want me to be." "The man who views the world at 50 the same as he did at 20 has wasted 30 years of his life." "It's just a job. Grass grows, birds fly, waves pound the sand. I beat people up."