Matthew 20:27
and whoever desireth to be first among you, will be your servant;
Matthew 18:4
Whoever therefore shall humble himself as this child, he is the greatest in the kingdom of heaven.
Mark 9:33-35
And they came to Capernaum; and having come into the house, he asked them, About what were ye disputing on the road?
Luke 22:26
But it is not to be so with you; but let the greatest among you be as the youngest; and he that is chief, as he that serveth.
Acts 20:34-35
Ye yourselves know, that these hands ministered to my necessities, and to those that were with me.
Romans 1:14
I am debtor both to Greeks and barbarians, both to the wise and the unwise.
1 Corinthians 9:19-23
For being free from all men, yet I made myself a servant to all, that I might gain the more;
2 Corinthians 4:5
For we preach not ourselves, but Christ Jesus as Lord, and ourselves your bondservants for Jesus sake.
2 Corinthians 11:5
For I suppose that I am in no respect behind the very foremost apostles.
2 Corinthians 11:23-27
Are they ministers of Christ? (I speak as beside myself,) I am more; in labors more abundantly, in stripes above measure, in prisons more frequently, in deaths often;
2 Corinthians 12:15
And I will very gladly spend and be spent for your souls; though the more I love you, the less I am loved.