'Pure' in the Bible

My fruit is better than fine gold, yea, than pure gold; and my revenue than choice silver.

The thoughts of the evil man are an abomination to Jehovah; but pure words are pleasant.

Who can say, I have made my heart clean, I am pure from my sin?

Even a child is known by his doings, whether his work be pure, and whether it be right.

Very crooked is the way of a guilty man; but as for the pure, his work is upright.

Every word of +God is pure: he is a shield unto them that put their trust in him.

there is a generation that are pure in their own eyes, yet are not washed from their filthiness;