Mark 14:68-71

68But he denied it, saying, “I don’t know or understand what you’re talking about!” Then he went outside to the gateway, and a rooster crowed.

69Seeing him, the servant girl began again to tell the bystanders, “This is one of them.”

70But again he denied it. And a little while later, the bystanders were again saying to Peter, “Surely you’re one of them, for you’re also a Galilean.”

71But he began to curse himself and to swear an oath: “I do not know this Man you’re talking about!”