John 1:20; John 13:38; John 18:25; John 18:27

John 1:20

20 He did not fail to confess, but confessed freely, “I am not the Messiah.”

John 13:38

38 Then Jesus answered, “Will you really lay down your life for me? Very truly I tell you, before the rooster crows, you will disown me three times!

John 18:25

25 Meanwhile, Simon Peter was still standing there warming himself. So they asked him, “You aren’t one of his disciples too, are you?” He denied it, saying, “I am not.”

John 18:27

27 Again Peter denied it, and at that moment a rooster began to crow.