אִם־קֵהָ֣ה הַבַּרְזֶ֗ל וְהוּא֙ לֹא־פָנִ֣ים קִלְקַ֔ל וַחֲיָלִ֖ים יְגַבֵּ֑ר וְיִתְר֥וֹן הכשיר [הַכְשֵׁ֖ר] חָכְמָֽה׃
If the iron be blunt, and one do not whet the edge, then must he put to more strength; but wisdom is profitable to direct.
Find Talmudic references to Ecclesiastes 10:10: , passages from the Talmud Bavli and Yerushalmi.