וַיַּ֜עַן יְהוֹשֻׁ֣עַ בִּן־נ֗וּן מְשָׁרֵ֥ת מֹשֶׁ֛ה מִבְּחֻרָ֖יו וַיֹּאמַ֑ר אֲדֹנִ֥י מֹשֶׁ֖ה כְּלָאֵֽם׃
택한 자 중 한 사람 곧 모세를 섬기는 눈의 아들 여호수아가 말하여 가로되 내 주 모세여 금하소서
Pirkei Avot
Rabbi Elazar ben Shammua said: let the honor of your student be as dear to you as your own, and the honor of your colleague as the reverence for your teacher, and the reverence for your teacher as the reverence of heaven.