Mark 14:68
But he denied, saying, I do not know nor even understand what you are saying. And he went out into the forecourt. And a cock crowed.
Matthew 26:71-72
And when he had gone out into the porch, another saw him and said to those there, This one was also with Jesus of Nazareth.
Mark 14:29-31
But Peter said to Him, Although all shall be offended, yet I will not.
Mark 14:72
And the second time a cock crowed. And Peter remembered the word that Jesus said to him, Before a cock crows twice, you will deny Me three times. And thinking on it, he wept.
John 13:36-38
Simon Peter said to Him, Lord, where do You go? Jesus answered him, Where I go you cannot now follow Me, but you shall follow Me afterward.
2 Timothy 2:12-13
If we suffer, we shall also reign with Him. If we deny Him, He also will deny us.