1 Samuel 14:7 His armor bearer said to him, "Do all that is in your heart. Turn and, behold, I am with you according to your heart." (See RSV)
Ecclesiastes 10:2 The heart of the wise man goes in the right direction; but the heart of a foolish man in the wrong. (See RSV NIV)
Isaiah 32:6 For the foolish man will say foolish things, having evil thoughts in his heart, working what is unclean, and talking falsely about the Lord, to keep food from him who is in need of it, and water from him whose soul is desiring it. (See NAS)