The heart is deceitful above all things, and desperately wicked. Jeremiah 17:9
If I regard iniquity in my heart, the Lord will not hear. Psalm 66:18
For the imagination of man's heart is evil from his youth. Genesis 8:21
Hell and destruction are before the LORD: how much more then the hearts of the children of men? Proverbs 15:11
For as he thinks in his heart, so is he. Proverbs 23:7
God cares about our heart (our true motivation).
The fining pot is for silver, and the furnace for gold: but the Lord trieth the hearts. (Proverbs 17:3)
