Matthew 23:8 in the World English Bible
But you are not to be called ‘Rabbi’, for one is your teacher, the Christ, and all of you are brothers.
Context
7 And greetings in the markets, and to be called of men, Rabbi, Rabbi.
8 But be not ye called Rabbi: for one is your Master, even Christ; and all ye are brethren.
9 And call no man your father upon the earth: for one is your Father, which is in heaven.