And when Judas had taken the morsel, Satan entered into him. Then Jesus said to Judas, “What you are about to do, do quickly.”
27. Satan entered into him. As it is certain that it was only at the instigation of Satan that Judas formed the design of committing so heinous a crime, why is it now said, for the first time, that Satan entered into him, who had already held the throne in his heart?
We have here the discovery of Judas's plot to betray his Master. Christ knew it from the beginning; but now first he discovered it to his disciples, who did not expect Christ should be betrayed, though he had often told them so, much less did they suspect that one of them should do it. Now here, I.
Commenting on John 13:18-30
And after the sop, Satan entered into him,.... After he had taken and eaten the sop, or crust of bread, by which he was pointed out to be the betrayer, "Satan entered into him"; possessed his body, and filled his mind, and stirred him up more eagerly to pursue with rigour his wicked design.