Matthew 23:11

But he that is greatest among you, shall be your servant.

Galatians 5:13

For, brethren, ye have been called to liberty; only use not liberty for an occasion to the flesh, but by love serve one another.

Matthew 20:26-27

But it shall not be so among you: but whoever will be great among you, let him be your minister;

Mark 10:43-44

But so it shall not be among you: but whoever will be great among you, shall be your minister:

Luke 22:26-27

But ye shall not be so: but he that is greatest among you, let him be as the younger; and he that is chief, as he that doth serve.

John 13:14-15

If I then, your Lord and Master, have washed your feet; ye also ought to wash one another's feet.

1 Corinthians 9:19

For though I am free from all men, yet I have made myself 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 Jesus' sake.

2 Corinthians 11:23

Are they ministers of Christ? (I speak as a fool) I am more; in labors more abundant, in stripes above measure, in prisons more frequent, in deaths often.

Philippians 2:5-8

Let this mind be in you, which was also in Christ Jesus:

Treasury of Scripture Knowledge

Summary

But he that is greatest among you shall be your servant.

Bible References

General references

Matthew 20:26
But it shall not be so among you: but whoever will be great among you, let him be your minister;
Mark 10:43
But so it shall not be among you: but whoever will be great among you, shall be your minister:
Luke 22:26
But ye shall not be so: but he that is greatest among you, let him be as the younger; and he that is chief, as he that doth serve.
John 13:14
If I then, your Lord and Master, have washed your feet; ye also ought to wash one another's feet.
1 Corinthians 9:19
For though I am free from all men, yet I have made myself 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 Jesus' sake.
2 Corinthians 11:23
Are they ministers of Christ? (I speak as a fool) I am more; in labors more abundant, in stripes above measure, in prisons more frequent, in deaths often.
Galatians 5:13
For, brethren, ye have been called to liberty; only use not liberty for an occasion to the flesh, but by love serve one another.
Philippians 2:5
Let this mind be in you, which was also in Christ Jesus: