בַּרְזֶ֣ל בְּבַרְזֶ֣ל יָ֑חַד וְ֝אִ֗ישׁ יַ֣חַד פְּנֵֽי־רֵעֵֽהוּ׃
Iron sharpeneth iron; So a man sharpeneth the countenance of his friend.
Read Jewish philosophical commentary on Proverbs 27:17: and classical philosophical sources.
בַּרְזֶ֣ל בְּבַרְזֶ֣ל יָ֑חַד וְ֝אִ֗ישׁ יַ֣חַד פְּנֵֽי־רֵעֵֽהוּ׃
Iron sharpeneth iron; So a man sharpeneth the countenance of his friend.
Read Jewish philosophical commentary on Proverbs 27:17: and classical philosophical sources.