Eclesiastés 10
Geneva Bible
10If the yron be blunt, and one hath not whet the edge, he must then put to more strength: but the excellencie to direct a thing is wisedome.
Reina-Valera 1909
10Si se embotare el hierro, y su filo no fuere amolado, hay que añadir entonces más fuerza: empero excede la bondad de la sabiduría.
King James Version
10If the iron be blunt, and he do not whet the edge, then must he put to more strength: but wisdom is profitable to direct.
World English Bible
10If the ax is blunt, and one doesn’t sharpen the edge, then he must use more strength; but skill brings success.