Mark 14:68-71

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

69When the slave girl saw him, she began again to say to the bystanders, “This man is one of them.”

70But he denied it again. A short time later the bystanders again said to Peter, “You must be one of them, because you are also a Galilean.”

71Then he began to curse, and he swore with an oath, “I do not know this man you are talking about!”