Jesus and “greatness”

^46-48 Then an argument arose among them as to who should be the greatest. But Jesus, knowing what they were arguing about, took a little child and made him stand by his side. And then he said to them, “Anyone who accepts a little child in my name is really accepting me, and the man who accepts me is really accepting the one who sent me. It is the humblest among you all who is really the greatest.”