Matthew 16:7
Then they began to discuss it among themselves, and said, "It is because we did not take any bread."
Matthew 15:16-18
And He said, "Are you too, even yet, without understanding?
Mark 8:16-18
So they were discussing with one another the fact that they had no bread.
Mark 9:10
And they held that caution fast in their minds, as they continued to discuss among themselves what rising from the dead meant.
Luke 9:46
Now a controversy sprang up among them as to which of them might be the greatest.
Acts 10:14
But Peter said, "Never by any means, sir, for I have never eaten anything common, or not ceremonially cleansed."