evidence: What Jesus & Muhammad Ali Have To Say To Us About Impossibility. [...] Probably my favorite quote of Ali's deals with the subject of "impossibilities". [...] Muhammad Ali said A LOT of crazy things. Many things that are not worth taking seriously. But this was not one of them! Ali may go down in history as the greatest fighter of all time. I'd like to simply be remembered as the guy who fought each of his fights with faith, and an unrelenting belief that every freshly spoken Word from God is possible!