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Brains versus brawn. The pen versus the sword. Might against intellect. It's a battle that seems to have raged forever. Often, the assumption is that it's one or the other - yet this is by no means always the case.
Practically all professional boxers are well-honed athletes, but some have also proven they've got just as much power in their brains as they have in their biceps. It's not all black and white: there is room for grey matter.