“Hey Floyd - I seen you! Someday I’m gonna whup you! Don’t you forget, I am the greatest!” - To then-world heavyweight champion Floyd Patterson during the 1960 Olympic Games.
“Why are all the angels white? Why ain’t there no black angels?” - In a sermon at apostolic church in 1983.
“Float like a butterfly, sting like a bee.”
“Sonny Liston is nothing. The man can’t talk. The man can’t fight. The man needs talking lessons. The man needs boxing lessons. And since he’s gonna fight me, he needs falling lessons.” - Before fighting world heavyweight champion Sonny Liston in February 1964.
“I had a good time boxing. I enjoyed it - and I may come back.” - On being crowned Sports Personality of the Century by the BBC in 1999.
“Cassius Clay is a slave name. I didn’t choose it, and I didn’t want it. I am Muhammad Ali, a free name, and I insist people using it when speaking to me and of me.”
“If you think the world was surprised when Nixon resigned, wait till I kick Foreman’s behind.”