Muhammad Ali had a timeless quote that helped explain why he was so successful.

Muhammad Ali’s refusal to sign his Vietnam-era military draft card upended the boxing champ’s life and added a powerful voice to the anti-war movement. Now that piece of history is coming up for sale.

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Muhammad Ali redefined heavyweight boxing—he broke every rule about how big men should fight. Across 21 years as a professional, Ali won 56 fights (37 by knockout) and lost only 5. Ali turned fights ...

This image provided by Christie’s Auction House shows Muhammad Ali's draft card. (Christie’s Auction House via AP) Muhammad Ali’s refusal to sign his Vietnam-era military draft card upended the boxing ...

Muhammad Ali once joked that he should be a postage stamp because “that’s the only way I’ll ever get licked.” Now, the three-time heavyweight champion’s quip is becoming reality. Widely regarded as ...

Ali once said, 'I should be a postage stamp, because that's the only way I'll ever get licked.' The self-proclaimed Greatest of All-Time (G.O.A.T.), heavyweight boxer Muhammad Ali, will appear on a ...