'Pure' in the Bible

With the pure, you will show yourself pure. With the crooked you will show yourself shrewd.

Yahweh's precepts are right, rejoicing the heart. Yahweh's commandment is pure, enlightening the eyes.

He who has clean hands and a pure heart; who has not lifted up his soul to falsehood, and has not sworn deceitfully.

Surely God is good to Israel, to those who are pure in heart.

How can a young man keep his way pure? By living according to your word.

Therefore I love your commandments more than gold, yes, more than pure gold.