1 Peter 1:22-23
Wherefore, having purified your souls by obeying the truth, through the Spirit, to unfeigned brotherly love, love one another, from a pure heart, fervently:
1 John 2:29
If you know that he is righteous, you know that every one who works righteousness, has been begotten by him.
1 John 3:3
And every one who has this hope in him purifies himself, even as He is pure.
Treasury of Scripture Knowledge
Summary
The way of man is froward and strange: but as for the pure, his work is right.
Bible References
But
1 Peter 1:22
Wherefore, having purified your souls by obeying the truth, through the Spirit, to unfeigned brotherly love, love one another, from a pure heart, fervently:
1 John 2:29
If you know that he is righteous, you know that every one who works righteousness, has been begotten by him.
1 John 3:3
And every one who has this hope in him purifies himself, even as He is pure.