Ah, yes, the difference between the tool and the wielder is an old observation: "If the iron be blunt, and he do not whet the edge, then must he put to more st

Ah, yes, the difference between the tool and the wielder is an old observation: "If the iron be blunt, and he do not whet the edge, then must he put to more strength: but wisdom is profitable to direct." (Eccl10:10)