Mark 14:68
And he denied it, saying, "I know him not, neither know I what thou sayest." And he went out into the porch, and the cock crew.
Matthew 26:71-72
When he was gone out into the porch, another wench saw him, and said unto them that were there, "This fellow was also with Jesus of Nazareth."
Mark 14:29-31
Peter said unto him, "And though all men should be offended, yet would not I."
Mark 14:72
And again the cock crew. And Peter remembered the word that Jesus said unto him. "Before the cock crow twice, thou shalt deny me thrice," and began to weep.
John 13:36-38
Simon Peter said unto him, "Lord whither goest thou?" Jesus answered him, "Whither I go thou canst not follow me now, but thou shalt follow me afterwards."
2 Timothy 2:12-13
If we be patient, we shall also reign with him; If we deny him, he also shall deny us;