Mark 14:68
But he denied it. He said: "I don't know, I don't understand what you are saying." Then he went out into the porch, and the cock crew.
Matthew 26:71-72
Soon afterward he went out into the porch, and another maid saw him, and said to those who were there, "This fellow certainly was with Jesus, the Nazarene!"
Mark 14:29-31
"Although they all stumble and fall, yet will not I," answered Peter.
Mark 14:72
At that instant for the second time a cock crew. Then Peter recalled the word which Jesus had spoken to him, "Before the cock crows twice you will disown me thrice." And as he thought of it, he began to weep aloud.
John 13:36-38
Simon Peter asked him, "Lord, where are you going?" "Where I am going," answered Jesus, "you cannot follow me now; but you shall follow me later."
2 Timothy 2:12-13
If we endure suffering, we shall also reign with him. If we disown him, he too will disown us.