Mark 14:68
But he denied it, saying, "I neither know nor understand what you mean." And he went out into the gateway and the rooster crowed.
Matthew 26:71-72
And when he went out to the entrance, another servant girl saw him, and she said to the bystanders, "This man was with Jesus of Nazareth."
Mark 14:29-31
Peter said to him, "Even though they all fall away, I will not."
Mark 14:72
And immediately the rooster crowed a second time. And Peter remembered how Jesus had said to him, "Before the rooster crows twice, you will deny me three times." And he broke down and wept.
John 13:36-38
Simon Peter said to him, "Lord, where are you going?"Jesus answered him, "Where I am going you cannot follow me now, but you will follow afterward."
2 Timothy 2:12-13
if we endure, we will also reign with him; if we deny him, he also will deny us;