The disciples started arguing among themselves. “He's saying that because we didn't bring any bread,” they concluded.
“Watch out for the yeast of the Pharisees and Sadducees,” Jesus told them.
Jesus knew what they were saying and said, “You have so little trust in me! Why are you arguing among yourselves about not having any bread?
Where did the baptism of John come from? Was it from heaven, or was it from human beings?” They argued with each other. “If we say ‘It was from heaven,’ then he'll ask us why we didn't believe him.
They kept this to themselves, but they did argue with each other over what it meant to rise from the dead.
As they discussed and debated, Jesus came up and fell into step with them.
Then an argument started among the disciples about which of them was the greatest.
But Peter replied, “Certainly not, Lord! I have never eaten anything that is impure and unclean.”