Matthew 26:25
Then Judas, which betrayed him, answered and said, Master, is it I? He said unto him, Thou hast said.
Cross-reference
Matthew 26:64
Parallel
In Matthew 26:64, Jesus uses the same phrase 'You have said so' to Caiaphas, repeating his response to Judas.
Matthew 26:2
Prophetic fulfillment
Matthew 26:2 records Jesus' prediction that he will be delivered up — now in v25 Judas's question moves that prophecy toward fulfillment.
Mark 14:21
Parallel
In Mark 14:21, Jesus pronounces woe on the betrayer — the same person Judas who speaks here, recorded in a parallel account.
John 13:11
Parallel
John 13:11 explains that Jesus knew who would betray him — the knowledge behind his response to Judas here.
Psalm 55:21
Allusion
Psalm 55:21 describes a betrayer with smooth, deceptive speech — exactly the kind of feigned innocence Judas shows here.
John 18:37
Parallel
In John 18:37, Jesus gives the same ambiguous reply 'You say that I am' to Pilate, echoing his response to Judas here.