Verily I say unto you, One of you shall betray me, even he that eateth with me ( ὁ ἐσθίων μετ ἐμοῦ). Much had doubtless happened before our Lord said this; but St. Mark only records the important circumstances.
These words of our Lord were uttered with great solemnity. The presence of the traitor was a burden upon his spirit, and cast a gloom over this usually joyous festival. A question here arises whether Judas remained to partake of the Holy Communion when our Lord instituted it.
The greater number of the Fathers, and amongst them Origen, St. Cyril, St. Chrysostom, St. Augustine, and Bede, consider that he was present; and Dionysius says that our Lord's words to him, "That thou doest, do quickly," were intended to separate him from the rest of the twelve as one who had partaken unworthily; and that then it was that Satan entered into him, and impelled him onwards to this terrible sin.