And hereby we do know that we know him, if we keep his commandments.
Berean Study Bible (BSB) - 1 John 2:3 >By this we can be sure that we have come to know Him: if we keep His commandments.
Textus Receptus (TR) - 1 John 2:3 >Καὶ ἐν τούτῳ γινώσκομεν ὅτι ἐγνώκαμεν αὐτόν, ἐὰν τὰς ἐντολὰς αὐτοῦ τηρῶμεν.