1 John 3:23 in the King James Version
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.
Context
22 so whatever we ask, we receive from him, because we keep his commandments and do the things that are pleasing in his sight.
23 This is his commandment, that we should believe in the name of his Son, Jesus Christ, and love one another, even as he commanded.
24 He who keeps his commandments remains in him, and he in him. By this we know that he remains in us, by the Spirit which he gave us.