Rhymes too short to box with God, so stretch it
First, note that the boxing reference takes us back to the opening lines of the song.
Second, Your Arms Too Short to Box With God is a 1976 black-cast musical, written by the gospel composer Alex Bradford. It takes its title from a James Weldon Johnson poem, but the prominence of the musical (it once starred Al Greene and Patti LaBelle) is likely the source of the reference.
Third, in the Five Percent Nation worldview that the Wu-Tang grounds much of its mythology in, “god” is a term of endearment for one’s fellow Five Percenters. So GZA is saying that to box with the “god” 50 will need to up his game.
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