Jeremiah 17:10 in the World English Bible
“I, the LORD, search the mind. I try the heart, even to give every man according to his ways, according to the fruit of his doings.”
Context
9 The heart is deceitful above all things, and desperately wicked: who can know it?
10 I the LORD search the heart, I try the reins, even to give every man according to his ways, and according to the fruit of his doings.
11 As the partridge sitteth on eggs, and hatcheth them not; so he that getteth riches, and not by right, shall leave them in the midst of his days, and at his end shall be a fool.