"[Isaac Newton] was not a warrior, he had no spear, but the sun and the moon spun inside his head and he stood on the shoulders of giants." (15.167)
A-ha! So it is possible to be a great man by using brains instead of brawn. Mau triumphs at the end with a combination of both. (Fun fact: Newton actually said in a letter that he was "standing on the shoulders of Giants."