Mark 14:68
But he denied, saying, I know not, neither understand I what thou sayest. And he went out into the porch; and the cock crew.
Cross-references
Mark 14:29-31 records Peter's boast that he would never fall away — directly contrasting his denial here.
Mark 14:30 is Jesus' prediction of Peter's triple denial before the rooster crows twice — now being fulfilled.
Mark 14:72 shows the rooster crowing and Peter remembering Jesus' prediction after the third denial — the fulfillment.
Matthew 26:71 gives the parallel account of Peter's second denial, another servant girl accusing him.
Matthew 26:72 records Peter's second denial with an oath — a further step from his first denial here.
John 13:36-38 contains Jesus' prediction that Peter would deny him three times — which Peter's denial here begins to fulfill.
2 Timothy 2:12 warns that denying Christ leads to being denied by him — the exact danger Peter faces here.
2 Timothy 2:13 contrasts Peter's faithlessness with God's faithfulness — even when we deny him, he remains true to himself.
Matthew 26:74 shows Peter's third denial with cursing, completing the sequence begun in Mark 14:68.
John 18:25 gives another account of Peter's second denial, parallel to the first denial scene here.
John 18:27 records Peter's third denial and the rooster crow, concluding the parallel narrative.