Lomed al Manat Lelamed translates as "Studying in order to teach." Lomed and Lamed come from the same Hebrew root lamed-mem-dalet, which means both "to study" and "to teach."
"The first virtue of wisdom is silence; the second hearing; the third memory; and the fourth action." (Moshe ben Ezra, 11th century Spanish poet and philosopher)
"Rabbi Hama son of Rabbi Hanina said: What is implied by the verse 'Iron sharpens iron' (Proverbs 27:17) It tells you that just as one piece of iron sharpens another, so two scholars sharpen each other's mind by discussion of the Law." (Sefer Ha Aggadah - Legends of the Jews, 428:260)