Mark 9:34-37

But they kept silent, for on the way they had discussed with one another which of them was the greatest. Sitting down, He called the twelve and *said to them, “If anyone wants to be first, he shall be last of all and servant of all.” Taking a child, He set him before them, and taking him in His arms, He said to them, “Whoever receives one child like this in My name receives Me; and whoever receives Me does not receive Me, but Him who sent Me.”