Jeremiah 20:12 in the King James Version
But, O LORD of hosts, that triest the righteous, and seest the reins and the heart, let me see thy vengeance on them: for unto thee have I opened my cause.
Context
11 But the LORD is with me as an awesome mighty one. Therefore my persecutors will stumble, and they won’t prevail. They will be utterly disappointed because they have not dealt wisely, even with an everlasting dishonor which will never be forgotten.
12 But the LORD of Armies, who tests the righteous, who sees the heart and the mind, let me see your vengeance on them, for I have revealed my cause to you.
13 Sing to the LORD! Praise the LORD, for he has delivered the soul of the needy from the hand of evildoers.