Mark 14:68
But he denied, saying, "I neither know nor understand what you are saying." And he went out into the porch [and the cock crowed].
Matthew 26:71-72
And another maid saw him, when he walked out into the porch, and says to those there, "This man was with Jesus the Nazarene."
Mark 14:29-31
But Peter said to Him, "If even all should be made to stumble, yet will not I!"
Mark 14:72
And straightway the second time the cock crowed. And Peter remembered the word, how Jesus said to him, "Before the cock crows twice, you will deny Me thrice." And, having thought thereon, he kept weeping.
John 13:36-38
Simon Peter says to Him, "Lord, where art Thou going?" Jesus answered, "Where I go, you cannot follow Me now; but you will follow Me later."
2 Timothy 2:12-13
if we endure, we shall also reign with Him; if we deny Him, He will also deny us;