Neither be ye called masters: for one is your Master, even Christ.
But he who is greatest among you shall be your servant.
But do not be called Rabbi: for one is your Master, even Christ; and you are all brothers.
And call no man your father upon the earth: for one is your Father, who is in heaven.
And he said, Go into the city to such a man, and say to him, The Master says, My time is at hand; I will keep the passover at your house with my disciples.
And there are different kinds of service, but the same Lord.