Mark 9:33-34

33 Then they came to Capernaum; and when he was in the house he asked them, "What were you arguing about on the way?"
34 But they were silent, for on the way they had argued with one another who was the greatest.
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.