Mark 14:68
but he denied it, saying, I do not know Him, nor do I understand what thou meanest. And he went out into the porch, and the cock crew.
Matthew 26:71-72
And he went out into the porch; after which another maid saw him, and said to them that were there, This man also was with Jesus of Nazareth:
Mark 14:29-31
But Peter said to Him, though all should be made to offend, yet will not I.
Mark 14:72
Then Peter called to mind the word which Jesus had said to him, Before the cock crow twice thou wilt deny me thrice. And he covered his face and wept.
John 13:36-38
Simon Peter saith unto Him, Lord, whither art thou going? Jesus answered him, Whither I am going thou canst not follow me now, but thou shalt follow me hereafter.
2 Timothy 2:12-13
if we suffer, we shall also reign with Him: if we disown Him, He will also disown us.