David's heart
2 Samuel 12:9
Wherefore hast thou despised the commandment of the LORD, to do evil in his sight? thou hast killed Uriah the Hittite with the sword, and hast taken his wife to be thy wife, and hast slain him with the sword of the children of Ammon.
2 Samuel 24:10
And David's heart smote him after that he had numbered the people. And David said unto the LORD, I have sinned greatly in that I have done: and now, I beseech thee, O LORD, take away the iniquity of thy servant; for I have done very foolishly.
2 Kings 22:19
Because thine heart was tender, and thou hast humbled thyself before the LORD, when thou heardest what I spake against this place, and against the inhabitants thereof, that they should become a desolation and a curse, and hast rent thy clothes, and wept before me; I also have heard thee, saith the LORD.
1 John 3:20
For if our heart condemn us, God is greater than our heart, and knoweth all things.
1 John 3:21
Beloved, if our heart condemn us not, then have we confidence toward God.