John 6:43
"Do not find fault with me among yourselves,"
John 6:64
"Yet there are some of you who do not believe." For Jesus knew from the beginning who they were who did not believe, and who it was who should betray him.
Matthew 16:8
When Jesus knew it he said: "Weaklings in faith! Why are you arguing among yourselves, because you have no bread?
Mark 9:33
Then they came to Capernaum; and when he got into the house he asked them, "What were you discussing on the road?"
John 16:19
Jesus perceived that they wanted to ask him, and said: "Are you questioning one another about my saying, 'A little while and you shall behold me no more, and again a little while you shall see me'?