"Since I know, O my God, that You try the heart and delight in uprightness, I, in the integrity of my heart, have willingly offered all these things; so now with joy I have seen Your people, who are present here, make their offerings willingly to You.
"As for you, my son Solomon, know the God of your father, and serve Him with a whole heart and a willing mind; for the LORD searches all hearts, and understands every intent of the thoughts If you seek Him, He will let you find Him; but if you forsake Him, He will reject you forever.
But the LORD said to Samuel, "Do not look at his appearance or at the height of his stature, because I have rejected him; for God sees not as man sees, for man looks at the outward appearance, but the LORD looks at the heart."
The perverse in heart are an abomination to the LORD, But the blameless in their walk are His delight.
"I, the LORD, search the heart, I test the mind, Even to give to each man according to his ways, According to the results of his deeds.
"You shall remember all the way which the LORD your God has led you in the wilderness these forty years, that He might humble you, testing you, to know what was in your heart, whether you would keep His commandments or not.
Then the people rejoiced because they had offered so willingly, for they made their offering to the LORD with a whole heart, and King David also rejoiced greatly.
O let the evil of the wicked come to an end, but establish the righteous; For the righteous God tries the hearts and minds.
He who walks with integrity, and works righteousness, And speaks truth in his heart.
Behold, You desire truth in the innermost being, And in the hidden part You will make me know wisdom.
The sacrifice of the wicked is an abomination to the LORD, But the prayer of the upright is His delight.
The refining pot is for silver and the furnace for gold, But the LORD tests hearts.
Jesus saw Nathanael coming to Him, and said of him, "Behold, an Israelite indeed, in whom there is no deceit!"
"In view of this, I also do my best to maintain always a blameless conscience both before God and before men.
For our proud confidence is this: the testimony of our conscience, that in holiness and godly sincerity, not in fleshly wisdom but in the grace of God, we have conducted ourselves in the world, and especially toward you.
For the word of God is living and active and sharper than any two-edged sword, and piercing as far as the division of soul and spirit, of both joints and marrow, and able to judge the thoughts and intentions of the heart.
'And I will kill her children with pestilence, and all the churches will know that I am He who searches the minds and hearts; and I will give to each one of you according to your deeds.