Mark 8:29
And he saith unto them, But whom say ye that I am? And Peter answereth and saith unto him, Thou art the Christ.
Cross-reference
Matthew 16:16 records the identical confession, adding 'the Son of the living God'—a direct parallel to Peter's declaration here.
Luke 9:20 records Peter's confession that Jesus is God's Messiah, the same confession as in Mark.
John 1:41-49 contains multiple confessions: Andrew, Philip, and Nathanael each declare Jesus as Messiah and Son of God—echoing Peter's confession.
In John 4:42, Samaritans confess Jesus as 'the Christ, the Savior of the world'—a similar declaration from a different group.
John 6:69 records Peter again confessing Jesus as 'the Holy One of God'—a parallel confession by the same disciple.
In John 11:27, Martha confesses Jesus as 'the Christ, the Son of God'—a direct parallel to Peter's confession here.
Acts 8:37 records a eunuch's confession: 'I believe that Jesus Christ is the Son of God'—a similar declaration of faith.
In Acts 9:20, Paul immediately preaches that Jesus is the Christ—proclaiming the same truth Peter confessed.
1 John 5:1 says that whoever believes Jesus is the Christ is born of God—a doctrinal echo of the confession Peter made.
1 John 4:15 states that whoever confesses Jesus as Son of God abides in God—a general principle echoing Peter's specific confession.