Matthew
Matthew 26:72BSB·traditional attribution

And again he denied it with an oath: “I do not know the man!”

John Calvin Reformed @genevareformer

72. And the second time he denied with an oath. It deserves attention, that Peter, after finding that he could not escape by a simple denial, doubles his crime by adding an oath; and a little after, when he is still more vehemently pressed, he proceeds even to cursing.

John Gill Reformed Baptist @doctorgill

And after a while,.... Mark says, "a little after", Mar 14:70, and Luke observes, that it was "about the space of one hour after", Luk 22:59, so that here was time to reflect upon what he had been saying, and to guard against another temptation, should he be attacked; but, alas!