1 John 3:3

Καὶ πᾶς ὁ ἔχων τὴν ἐλπίδα ταύτην ἐπ᾽ αὐτῷ ἁγνίζει ἑαυτόν, καθὼς ἐκεῖνος ἁγνός ἐστι.

RBT Translation:

And every one who is holding the Hope, this one, upon himself, he is purifying himself even as that one is pure.

Julia Smith Literal 1876 Translation:
And every one having this hope in him purifies himself, as he himself is pure.

LITV Translation:
And everyone having this hope on Him purifies himself even as that One is pure.