"Wherefore [Jesus] did not himself suffer death, but Simon, a certain man of Cyrene, being compelled, bore the cross in his stead; so that this latter being transfigured by him, that he might be thought to be Jesus, was crucified, through ignorance and error, while Jesus himself received the form of Simon, and, standing by, laughed at them."
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Irenaeus is describing the Gnostic heresies of Saturninus and Basilides, in his famous Against Heresies, I.XXIV.4