Mark 9:33-36

33And they came to Capernaum: and when he was in the house he asked them, What were ye reasoning in the way?

34But they held their peace: for they had disputed one with another in the way, who was the greatest.

35And he sat down, and called the twelve; and he saith unto them, If any man would be first, he shall be last of all, and minister of all.

36And he took a little child, and set him in the midst of them: and taking him in his arms, he said unto them,