Matthew 20:27

let him be your servant:

Matthew 18:4

Whosoever therefore shall humble himself as this little child, he shall be greatest in the kingdom of heaven:

Mark 9:33-35

And he came to Capernaum; and when He was in the house, He asked them, What were ye disputing about among yourselves by the way?

Luke 22:26

But ye shall not do so: but let the greatest among you be as the younger; and he that presides as he that serveth.

Acts 20:34-35

and ye yourselves know that these hands have ministred to my necessities, and to those that were with me.

Romans 1:14

For I am a debtor both to Greeks and barbarians, both to the learned and the unlearned:

1 Corinthians 9:19-23

For though I am free from all, yet I have made myself a servant to all, that I might gain the more.

2 Corinthians 4:5

for we preach not ourselves, but Christ Jesus the Lord, and ourselves your servants for the sake of Jesus.

2 Corinthians 11:5

For I think I was not inferior to the very chiefest apostles: and if I am unskilled in speech,

2 Corinthians 11:23-27

so am I: are they ministers of Christ? (if I may speak as a fool) I am more: in labors more abundant, in stripes far exceeding, in prisons more frequently, and often even in deaths.

2 Corinthians 12:15

And I will with the greatest pleasure spend and be spent for your souls; even though the more I love you, the less I should be loved.

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 let him that is greatest among you be your minister: and whosoever will exalt himself shall be abased,
Luke 22:25
but He said unto them, The kings of the Gentiles lord it over them, and those in authority are called benefactors.
Philippians 2:5
Let the same mind be in you, which was also in Christ Jesus: