mosaic with birds and Hebrew lettering

Rabbi Elazar ben Shamma said: “Let your pupil’s honor be as dear to you as your own; and your concern for your colleague’s honor as great as your reverence for your teacher; and your reverence for your teacher as your reverence for God.”
From “Chapters of the Fathers” in Gates of Prayer, Chaim Stern, ed. (New York: Central Conference of American Rabbis, 1975), 23.