חָזִ֡יתָ אִ֤ישׁ ׀ מָ֘הִ֤יר בִּמְלַאכְתּ֗וֹ לִֽפְנֵֽי־מְלָכִ֥ים יִתְיַצָּ֑ב בַּל־יִ֝תְיַצֵּב לִפְנֵ֥י חֲשֻׁכִּֽים׃ (פ)
Seest thou a man diligent in his business? he shall stand before kings; He shall not stand before mean men.
Read halakhic rulings (Jewish law) on Proverbs 22:29: and classical halakhic sources.