Mark 13:6
For many shall come in my name, saying, I am Christ; and shall deceive many.
Cross-references
In Matthew 24:5, the same warning about false christs is repeated word-for-word in the parallel Olivet Discourse account.
In Matthew 24:23, Jesus commands not to believe those who claim 'here is the Christ' — directly extending the warning here.
In Matthew 24:24, false christs are explicitly named and their signs and wonders described — expanding on the deception warned here.
In John 5:43, Jesus predicts people will receive one coming in his own name — directly connecting to the false christs here.
In Ezekiel 13:6, false prophets claim divine authority without being sent — mirroring the deception of those who come in Jesus' name.
Matthew 24:4 gives the same warning about false messiahs — a parallel account of Jesus' Olivet Discourse.
Luke 21:8 repeats the warning that many will claim 'I am he' — a synoptic parallel.
In Jeremiah 14:14, false prophets also speak lies in the Lord's name — a parallel warning about deception claiming divine authority.
In Jeremiah 23:21-25, prophets run without being sent — same pattern of unauthorized claims to speak for God.
In Matthew 24:11, false prophets are added as another source of deception alongside false christs in the same discourse.
In Acts 5:36-39, Gamaliel cites historical false messiahs (Theudas, Judas) who failed — illustrating the pattern of deceivers arising.
1 John 2:18 warns that many antichrists have already appeared — echoing the prediction of many deceivers in the last days.
In 1 John 4:1, believers are told to test the spirits because many false prophets have gone out — applying the warning here with a command to discern.