Jeremiah 17:9-10

New King James Version

⁹ “The ^(A)heart is deceitful above all things,
And ^[a]desperately wicked;
Who can know it?
¹⁰ I, the Lord, ^(B)search the heart,
I test the ^[b]mind,
^(C)Even to give every man according to his ways,
According to the fruit of his doings.