Jeremiah 17:9, 10 The heart is deceitful above all things, and desperately sick; who can understand it? I the Lord search the heart and test the mind, to give every man according to his ways, according to the fruit of his deeds.
1 Chronicles 28:9 And you, Solomon my son, know the God of your father and serve him with a whole heart and with a willing mind, for the LORD searches all hearts and understands every plan and thought. If you seek him, he will be found by you, but if you forsake him, he will cast you off forever.
Psalm 139:23-24 Search me, God, and know my heart; test me and know my anxious thoughts. See if there is any offensive way in me, and lead me in the way everlasting.
Proverbs 4:23 . . .Keep reading