Tractates on the Gospel of John

³ “And the supper,” he says, “having taken place, and the devil having now put into the heart of Judas Iscariot, Simon's son, to betray Him, [Jesus] knowing that the Father had given all things into His hands, and that He has come from God, and is going to God; He rises from supper, and lays aside His garments; and took a towel, and girded Himself. After that He pours water into a basin, and began to wash the disciples' feet, and to wipe them with the towel wherewith He was girded.” We are not to understand by the supper having taken place, as if it were already finished and over; for it was still going on when the Lord rose and washed His disciples' feet. For He afterwards sat down again, and gave the morsel [sop] to His betrayer, implying certainly that the supper was not yet over, or, in other words, that there was still bread on the table. Therefore, by supper having taken place, is meant that it was now ready, and laid out on the table for the use of the guests.