Matthew 20:27

and whoever desires to be first among you shall be your bondservant;

Matthew 18:4

Whoever therefore shall humble himself as this young child, he it is who is superior to others in the Kingdom of the Heavens.

Mark 9:33-35

So they came to Capernaum; and when in the house He asked them, "What were you arguing about on the way?"

Luke 22:26

With you it is not so; but let the greatest among you be as the younger, and the leader be like him who serves.

Acts 20:34-35

You yourselves know that these hands of mine have provided for my own necessities and for the people with me.

Romans 1:14

I am already under obligations alike to Greek-speaking races and to others, to cultured and to uncultured people:

1 Corinthians 9:19-23

Though free from all human control, I have made myself the slave of all in the hope of winning as many converts as possible.

2 Corinthians 4:5

(For we do not proclaim ourselves, but we proclaim Christ Jesus as Lord, and ourselves as your bondservants for the sake of Jesus.)

2 Corinthians 11:5

Why, I reckon myself in no respect inferior to those superlatively great Apostles.

2 Corinthians 11:23-27

Are they servants of Christ? (I speak as if I were out of my mind.)

2 Corinthians 12:15

And as for me, most gladly will I spend all I have and be utterly spent for your salvation.

Treasury of Scripture Knowledge

Summary

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

Bible References

General references

Matthew 23:11
He who is the greatest among you shall be your servant;
Luke 22:25
But He said to them, "The kings of the Gentiles are their masters, and those who exercise authority over them are called Benefactors.
Philippians 2:5
Let the same disposition be in you which was in Christ Jesus.