אִם־קֵהָ֣ה הַבַּרְזֶ֗ל וְהוּא֙ לֹא־פָנִ֣ים קִלְקַ֔ל וַחֲיָלִ֖ים יְגַבֵּ֑ר וְיִתְר֥וֹן הכשיר [הַכְשֵׁ֖ר] חָכְמָֽה׃
Si on a laissé s’émousser le fer, n’en affile-t-on pas le tranchant pour lui rendre sa force? Ainsi le véritable instrument du succès, c’est la sagesse.
Guide for the Perplexed
As regards the privileged few, “the remnant whom the Lord calls” (Joel 3:5), they only attain the perfection at which they aim after due preparatory labour. The necessity of such a preparation and the need of such a training for the acquisition of real knowledge, has been plainly stated by King Solomon in the following words: “If the iron be blunt, and he do not whet the edge, then must he put to more strength: and it is profitable to prepare for wisdom” (Eccles. 10:10); “Hear counsel, and receive instruction, that thou mayest be wise in thy latter end” (Prov. 19:20).