Matthew 20:27

and whoever wishes to be first among you shall be your slave;

Matthew 18:4

Whoever then humbles himself as this child, he is the greatest in the kingdom of heaven.

Mark 9:33-35

They came to Capernaum; and when He was in the house, He began to question them, “What were you discussing on the way?”

Luke 22:26

But it is not this way with you, but the one who is the greatest among you must become like the youngest, and the leader like the servant.

Acts 20:34-35

You yourselves know that these hands ministered to my own needs and to the men who were with me.

Romans 1:14

I am under obligation both to Greeks and to barbarians, both to the wise and to the foolish.

1 Corinthians 9:19-23

For though I am free from all men, I have made myself a slave to all, so that I may win more.

2 Corinthians 4:5

For we do not preach ourselves but Christ Jesus as Lord, and ourselves as your bond-servants for Jesus’ sake.

2 Corinthians 11:5

For I consider myself not in the least inferior to the most eminent apostles.

2 Corinthians 11:23-27

Are they servants of Christ?—I speak as if insane—I more so; in far more labors, in far more imprisonments, beaten times without number, often in danger of death.

2 Corinthians 12:15

I will most gladly spend and be expended for your souls. If I love you more, am I to be loved less?

Treasury of Scripture Knowledge

Summary

And whosoever will be chief among you, let him be your servant:

Bible References

General references

Matthew 23:11
But the greatest among you shall be your servant.
Luke 22:25
And He said to them, “The kings of the Gentiles lord it over them; and those who have authority over them are called ‘Benefactors.’
Philippians 2:5
Have this attitude in yourselves which was also in Christ Jesus,