Matthew 26:34
Jesus said unto him, Verily I say unto thee, That this night, before the cock crow, thou shalt deny me thrice.
Cross-reference
Matthew 26:70 shows Peter's first denial — the beginning of the fulfillment of this prediction.
Matthew 26:75 records Peter remembering this prediction and weeping bitterly — the fulfillment and emotional aftermath.
Mark 14:30 parallels Jesus' prediction here, adding 'twice' to the rooster crow — a slight variation of the same prophecy.
Mark 14:31 records Peter's emphatic response — 'Even if I must die with you, I will not deny you' — directly following this prediction.
Luke 22:34 gives the same prediction but adds 'until you deny three times that you know me' — a parallel account.
John 13:38 records the same prediction: 'The rooster will not crow until you have denied me three times' — a parallel account.
Mark 14:72 describes the rooster crowing and Peter remembering this prediction — the fulfillment in Mark's gospel.
Luke 22:61 has the Lord turning to look at Peter, triggering his memory of this prediction — a poignant fulfillment.
1 Corinthians 10:12 warns against overconfidence — exactly Peter's error: he thought he stood firm but would fall.