Well he made him self known everyone accepted him from him declining being drafted in the Vietnam war and to his political views of this country. He also was an Olympic gold medalist until he started to gain a diagnosis called "turblent" so he went into boxing which helped him control that he became the worlds best boxer and he started an anti war movement.
His quotes : "Service to others is the rent you pay for your room here on earth" "Don't count the days, make the days count"