Reference

Matthew 23:7

And greetings in the markets, and to be called of men, Rabbi, Rabbi.
5

But all their works they do for to be seen of men: they make broad their phylacteries, and enlarge the borders of their garments,

6

And love the uppermost rooms at feasts, and the chief seats in the synagogues,

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.