1 John 3:23-24

New Revised Standard Version, Anglicised Catholic Edition

²³ And this is his commandment, that we should believe in the name of his Son Jesus Christ and love one another, just as he has commanded us. ²⁴ All who obey his commandments abide in him, and he abides in them. And by this we know that he abides in us, by the Spirit that he has given us.