Cross-references Explore similar Bible verses on Psalm 44:21 in English Standard Version "would not God discover this? For he knows the secrets of the heart." Ps 139:1 To the choirmaster. A Psalm of David. O Lord, you have searched me and known me! Jer 17:10 “I the Lord search the heart and test the mind, to give every man according to his ways, according to the fruit of his deeds.” Joh 2:25 and needed no one to bear witness about man, for he himself knew what was in man. Heb 4:13 And no creature is hidden from his sight, but all are naked and exposed to the eyes of him to whom we must give account.