'Inner' in the Bible

For no faith may be put in their words; their inner part is nothing but evil; their throat is like an open place for the dead; smooth are the words of their tongues.

Your desire is for what is true in the inner parts: in the secrets of my soul you will give me knowledge of wisdom.

Or make discovery of our secret purpose? The design is framed with care; and the inner thought of a man, and his heart, is deep.