Moses
Psalm 139:23BSB·traditional attribution

Search me, O God, and know my heart; test me and know my concerns.

John Calvin Reformed @genevareformer

PSALM 139 In this Psalm David, that he may dismiss the deceptive coverings under which most men take refuge, and divest himself of hypocrisy, insists at large upon the truth that nothing can elude the divine observation — a truth which he illustrates from the original formation of man, since he who fashioned us in our mother’s womb, and imparted to every member its particular...

Commenting on Psalm 139:1-24

C.H. Spurgeon Reformed Baptist @princeofpreachers

Search me, O God, and know my heart. David is no accomplice with traitors. He has disowned them in set form, and now he appeals to God that he does not harbour a trace of fellowship with them. He will have God himself search him, and search him thoroughly, till every point of his being is known, and read, and understood; for he is sure...

Matthew Henry Presbyterian @wholebiblehenry

Here the psalmist makes application of the doctrine of God's omniscience, divers ways. I. He acknowledges, with wonder and thankfulness, the care God had taken of him all his days, Psa 139:17, Psa 139:18. God, who knew him, thought of him, and his thoughts towards him were thoughts of love, thought of good, and not of evil, Jer 29:11.

Commenting on Psalm 139:17-24