^{10 Ref} If the iron has no edge, and he does not make it sharp, then he has to put out more strength; but wisdom makes things go well.

^{10 Ref} If the axe is blunt, and one doesn't sharpen the edge, then he must use more strength; but skill brings success.

^{10 Ref} If the iron hath been blunt, And he the face hath not sharpened, Then doth he increase strength, And wisdom `is' advantageous to make right.