Mark saith, before the cock crow twice. So the other three evangelists must be expounded, who say no more than before the cock crow, not mentioning how often; but the history makes it good, that our Saviour meant twice, for it was not before the second crowing of the cock that Peter went out, and wept bitterly.
Related Commentaries of John 13:38
John 13:38
38 Jesus answered him,Wilt thou lay down thy life for my sake? Verily, verily, I say unto thee, The cock shall not crow, till thou hast denied me thrice.