Matthew 23:8-10 NIV

8 "But you are not to be called 'Rabbi,' for you have only one Master and you are all brothers.
9 And do not call anyone on earth 'father,' for you have one Father,1 and he is in heaven.

References for Matthew 23:9

10 Nor are you to be called 'teacher,' for you have one Teacher, the Christ.a

References for Matthew 23:10