'Pure' in the Bible

Accept my instruction instead of silver,and knowledge rather than pure gold.

My fruit is better than solid gold,and my harvest than pure silver.

The tongue of the righteous is pure silver;the heart of the wicked is of little value.

The Lord detests the plans of an evil man,but pleasant words are pure.

Who can say, “I have kept my heart pure;I am cleansed from my sin”?

Even a young man is known by his actions—if his behavior is pure and upright.

The one who loves a pure heartand gracious lips—the king is his friend.

Every word of God is pure;He is a shield to those who take refuge in Him.

There is a generation that is pure in its own eyes,yet is not washed from its filth.