Your eyes saw my unformed body; all my days were written in Your book and ordained for me before one of them came to be.
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
Thine eyes did see my substance, yet being unperfect. While as yet the vessel was upon the wheel the Potter saw it all. The Lord knows not only our shape, but our substance: this is substantial knowledge indeed. The Lord's observation of us is intent and intentional, —"Thine eyes did see." Moreover, the divine mind discerns all things as clearly and certainly as men perceive by actual eye sight.
It is of great use to us to know the certainty of the things wherein we have been instructed, that we may not only believe them, but be able to tell why we believe them, and to give a reason of the hope that is in us. David is sure that God perfectly knows him and all his ways, I. Because he is always under his eye.
Commenting on Psalm 139:7-16