Mark 9:33-42 AMPC
And they arrived at Capernaum; and when [they were] in the house, He asked them, What were you discussing and arguing about on the road?
But they kept still, for on the road they had discussed and disputed with one another as to who was the greatest.
And He sat down and called the Twelve [apostles], and He said to them, If anyone desires to be first, he must be last of all, and servant of all.
And He took a little child and put him in the center of their group; and taking him in [His] arms, He said to them,
Whoever in My name and for My sake accepts and receives and welcomes one such child also accepts and receives and welcomes Me; and whoever so receives Me receives not only Me but Him Who sent Me.
John said to Him, Teacher, we saw a man who does not follow along with us driving out demons in Your name, and we forbade him to do it, because he is not one of our band [of Your disciples].
But Jesus said, Do not restrain or hinder or forbid him; for no one who does a mighty work in My name will soon afterward be able to speak evil of Me.
For he who is not against us is for us. [Num. 11:27-29.]
For I tell you truly, whoever gives you a cup of water to drink because you belong to and bear the name of Christ will by no means fail to get his reward.
And whoever causes one of these little ones (these believers) who acknowledge and cleave to Me to stumble and sin, it would be better (more profitable and wholesome) for him if a [huge] millstone were hung about his neck, and he were thrown into the sea.
AMPC: Amplified Bible, Classic Edition