Read this passage and open each verse for the full verse feed and commentary tools.
2And during supper, the devil having already put into the heart of Judas Iscariot, Simon`s [son], to betray him, 3[Jesus], knowing that the Father had given all the things into his hands, and that he came forth from God, and goeth unto God, 4riseth from supper, and layeth aside his garments; and he took a towel, and girded himself.
John 13:2-4 (ASV)