A disciple hath his name, either from learning from his master, or from following his master and treading in his steps: take it in either sense, loving one another is a certain note of being Christ's disciples; for as Christ continually pressed this by his precepts, so he set them his own example, by showing the greatest love to them he could show.
Related Commentaries of John 13:35
John 13:35
35 By this shall all men know that ye are my disciples, if ye have love one to another.