I have not written unto you because ye know not the truth, but because ye know it, and that no lie is of the truth.
Berean Study Bible (BSB) - 1 John 2:21 >I have not written to you because you lack knowledge of the truth, but because you have it, and because no lie comes from the truth.
Textus Receptus (TR) - 1 John 2:21 >Οὐκ ἔγραψα ὑμῖν ὅτι οὐκ οἴδατε τὴν ἀλήθειαν, ἀλλ᾿ ὅτι οἴδατε αὐτήν, καὶ ὅτι πᾶν ψεῦδος ἐκ τῆς ἀληθείας οὐκ ἔστι.