10 of Muhammad Ali's best quotes

1. The man who has no imagination has no wings.

2. Float like a butterfly, sting like a bee.

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

4. It's just a job. Grass grows, birds fly, waves pound the sand. I beat people up.

5. It isn't the mountains ahead to climb that wear you out; it's the pebble in your shoe.

6. Silence is golden when you can't think of a good answer.

7. I know where I'm going and I know the truth, and I don't have to be what you want me to be. I'm free to be what I want.

8. The man who views the world at 50 the same as he did at 20 has wasted 30 years of his life.

9. Service to others is the rent you pay for your room here on earth.

10. I am the greatest, I said that even before I knew I was.