When Jesus had thus said, he was troubled in spirit, and testified, and said,
Verily, verily, I say unto you, that one of you shall betray me.
All Commentaries on John 13:21 Go To John 13
Bede
AD 735
That he lay in the bosom, and upon the breast, was not only an evidence of present love, but also a sign of the future, viz. of those new and mysterious doctrines which be was afterwards commissioned to reveal to the world.