Albert Barnes' Notes on the Whole Bible - John 13:10
He that is washed - This is a difficult passage, and interpreters have been divided about its meaning. Some have supposed that it was customary to bathe before eating the paschal supper, and that the apostles did it; Jesus having said, “he that hath bathed his body is clean except in regard to his feet - to the dirt contracted in returning from the bath, and that there was need only that the feet should be washed in order to prepare them properly to receive the supper.” They suppose, also, that... read more
The Pulpit Commentary - John 13:10
Jesus saith to him . Christ's answer here undoubtedly shows that he is speaking of something far more important than the foot-washing. He goes back to the spiritual meaning which Peter attributed to his words. He that has been bathed ( λελουμένος ) is indeed washed from head to foot, hath no further need than to wash his feet , £ but is altogether clean. By personal communion with the Lord and belief in him, by the word which he had spoken to his disciples, they were ( καθαροί... read more