Owe nothing to anyone, except to love one another, for the one who loves someone else has fulfilled the law. For the [commandments], "You shall not commit adultery, you shall not commit murder, you shall not steal, you shall not covet," and if [there is] any other commandment, are summed up in this statement: "You shall love your neighbor as yourself." Love does not commit evil against a neighbor. Therefore love [is the] fulfillment of the law.

Grace, mercy, peace will be with us from God the Father and from Jesus Christ the Son of the Father in truth and love. {I was very glad} because I found [some] of your children walking in [the] truth, just as {the Father commanded us}. And now I ask you, lady (not as [if I were] writing a new commandment to you, but [one] that we have had from the beginning), that we should love one another. read more.
And this is love: that we walk according to his commandments. This is the commandment, just as you have heard from the beginning, so that you should walk in it.