The heart of man is evil Jer 17:9
The heart is deceitful above all things, and desperately wicked: who can know it?
That scripture is about the hearts of evil people. That is not a scripture about everyone's heart.
If all hearts are only evil---then what is God doing searching it?
John 4:23 Yet a time is coming and has now come when the true worshipers will worship the Father in the Spirit and in truth, for they are
the kind of worshipers the Father seeks.
Jeremiah 17:10 "
I the LORD search the heart and examine the mind, to reward each person according to their conduct, according to what their deeds deserve."
Acts 1:24
Then they prayed,
"Lord, you know everyone's heart. Show us which of these two you have chosen
Revelation 2:23
I will strike her children dead. Then all the churches will know that I am
he who searches hearts and minds, and I will repay each of you according to your deeds.
1 Kings 8:39
then hear from heaven, your dwelling place. Forgive and act; deal with everyone according to all they do, since
you know their hearts (for you alone know every human heart),
1 Chronicles 28:9
"And you, my son Solomon, acknowledge the God of your father, and serve him with wholehearted devotion and with a willing mind, for
the LORD searches every heart and understands every desire and every thought. If you seek him, he will be found by you; but if you forsake him, he will reject you forever.
Psalm 44:21
would not God have discovered it, since h
e knows the secrets of the heart?
Psalm 139:23
Search me, God, and know my heart; test me and know my anxious thoughts.
Proverbs 17:3
The crucible for silver and the furnace for gold, but
the LORD tests the heart.
Jeremiah 11:20
But you, LORD Almighty, who judge righteously and
test the heart and mind, let me see your vengeance on them, for to you I have committed my cause.