John 13:34-35A new commandment I give unto you, That ye love one another; as I have loved you, that ye also love one another. By this shall all men know that ye are my disciples, if ye have love one to another.
John 15:17These things I command you, that ye love one another.
1 John 2:5But whoso keepeth his word, in him verily is the love of God perfected: hereby know we that we are in him.
1 John 3:22-24And whatsoever we ask, we receive of him, because we keep his commandments, and do those things that are pleasing in his sight. And this is his commandment, That we should believe on the name of his Son Jesus Christ, and love one another, as he gave us commandment. And he that keepeth his commandments dwelleth in him, and he in him. And hereby we know that he abideth in us, by the Spirit which he hath given us.
1 John 4:21And this commandment have we from him, That he who loveth God love his brother also.