Matthew 26:70-75 narrates Peter's denials — a direct negative example of denying Christ, fulfilling the warning in 10:33.

Matthew 26:74 records Peter's actual denial of Jesus — a direct narrative fulfillment of this warning.

Mark 14:30 records Jesus' prediction that Peter will deny Him three times — a specific prophecy of denial that illustrates the warning.

Mark 14:72 shows Peter's denial fulfilled and his repentance — a powerful negative example of denying Christ as warned in 10:33.

In Luke 9:26, Jesus similarly warns that being ashamed of Him leads to the Son of Man being ashamed of us — a parallel teaching on public confession.

Luke 12:9 parallels this exactly: denying Jesus before men results in being denied before angels — a direct synoptic parallel.

In 2 Timothy 2:12, Paul echoes this principle: if we deny Christ, He will deny us — a consistent apostolic teaching.

1 John 2:23 states that denying the Son means losing the Father — reinforcing the severe consequence of denial.

Mark 8:38 parallels this with 'ashamed of me' — the same teaching in a different gospel, emphasizing public allegiance.

In Luke 12:8, the positive counterpart: acknowledging Christ before men brings his acknowledgment before angels, contrasting the denial here.

In Luke 22:57, Peter's denial of Jesus exemplifies this warning—a direct case of denying Christ before men.

In Romans 10:9, confession of Christ leads to salvation—the positive opposite of the denial that leads to being denied by the Father.

Daniel 3:18 shows the three young men refusing to deny God under threat — a positive example of the faithfulness Jesus calls for.