John 15:6

15:6 If anyone does not remain in me, he is thrown out like a branch, and dries up; and such branches are gathered up and thrown into the fire, and are burned up.

John 18:16

18:16 But Simon Peter was left standing outside by the door. So the other disciple who was acquainted with the high priest came out and spoke to the slave girl who watched the door, and brought Peter inside.