2 John 1:3-6 (NKJV)
3 Grace, mercy, and peace will be with you from God the Father and from the Lord Jesus Christ, the Son of the Father, in truth and love.
4 I rejoiced greatly that I have found some of your children walking in truth, as we received commandment from the Father.
5 And now I plead with you, lady, not as though I wrote a new commandment to you, but that which we have had from the beginning: that we love one another.
6 This is love, that we walk according to His commandments. This is the commandment, that as you have heard from the beginning, you should walk in it.