Matthew 16:9

16:9 Do you still not understand? Don’t you remember the five loaves for the five thousand, and how many baskets you took up?

Matthew 16:12

16:12 Then they understood that he had not told them to be on guard against the yeast in bread, but against the teaching of the Pharisees and Sadducees.

Matthew 26:75

26:75 Then Peter remembered what Jesus had said: “Before the rooster crows, you will deny me three times.” And he went outside and wept bitterly.

Matthew 27:63

27:63 and said, “Sir, we remember that while that deceiver was still alive he said, ‘After three days I will rise again.’

sn When Peter went out and wept bitterly it shows he really did not want to fail here and was deeply grieved that he had.