Matthew 23:8-10

New Revised Standard Version Catholic Edition

⁸ But you are not to be called rabbi, for you have one teacher, and you are all students.^{[a] 9} And call no one your father on earth, for you have one Father—the one in heaven. ¹⁰ Nor are you to be called instructors, for you have one instructor, the Messiah.^[b]