Matthew 18:4

Therefore, the person who will humble himself, as this little child, is the most important person in the kingdom of heaven.

Matthew 23:11-12

But the greatest person among you will be your servant.

Matthew 18:1

At that very time His disciples came to Jesus, asking, "Who then is the most important person in the kingdom of heaven?"

Matthew 20:26-27

But it will not be this way among you, for whoever would like to become important among you will become your servant.

Mark 10:43

But it is not [to be] this way among you, for whoever would like to become important among you will be your servant.

Luke 9:48

and said to the disciples, "The person who welcomes this little child in my name [i.e., because he belongs to me], welcomes me [also]. And the person who welcomes me [i.e., into his life ?] welcomes God, who sent me. For that person who is the least [significant] among you men is the one who is the greatest [in importance]."

Luke 14:11

For every person who exalts himself [as important] will be humbled, but the person who humbles himself will be exalted [as important]."

James 4:10

Humble yourselves in the presence of the Lord and He will exalt you people.

1 Peter 5:5

And in the same way, you younger [Christians] should be [respectfully] submissive to the older ones. And all of you should [be willing to] humbly serve one another, for God stands opposed to [the efforts of] proud people, but extends His unearned favor to those [who serve] with humility.

Treasury of Scripture Knowledge

Summary

Whosoever therefore shall humble himself as this little child, the same is greatest in the kingdom of heaven.

General references

Bible References

Greatest

Matthew 18:1
At that very time His disciples came to Jesus, asking, "Who then is the most important person in the kingdom of heaven?"
Matthew 20:26
But it will not be this way among you, for whoever would like to become important among you will become your servant.
Mark 10:43
But it is not [to be] this way among you, for whoever would like to become important among you will be your servant.
Luke 9:48
and said to the disciples, "The person who welcomes this little child in my name [i.e., because he belongs to me], welcomes me [also]. And the person who welcomes me [i.e., into his life ?] welcomes God, who sent me. For that person who is the least [significant] among you men is the one who is the greatest [in importance]."

General references

Matthew 23:12
And whoever exalts himself [as important] will be humbled, and whoever humbles himself will be exalted [as important].
Luke 9:46
Then a dispute developed among Jesus' disciples as to which one of them was the greatest.
Luke 22:26
But it will not be that way among you, for the person who is the most important among you should become [like] the youngest [i.e., least important]. And the person who is the leader should become like the servant.