1 Chronicles 28:9
David’s Charge to Solomon
9 “And you, Solomon my son, dknow 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. eIf you seek him, he will be found by you, but if you forsake him, he will cast you off forever.
Proverbs 17:3
3 sThe crucible is for silver, and the furnace is for gold,
and the Lord tests hearts.
1 Samuel 16:7
7 But the Lord said to Samuel, “Do not look on his appearance or on the height of his stature, because I have rejected him. For the Lord sees not as man sees: man looks on the outward yappearance, but zthe Lord looks on the heart.”