Some of the Jewish doctors are of opinion that this is the most excellent of all the psalms of David; and a very pious devout meditation it is upon the doctrine of God’s omniscience, which we should therefore have our hearts fixed upon and filled with in singing this psalm. I.

The Omniscience of God. To the chief musician. A psalm of David. 1 O Lord, thou hast searched me, and known me. 2 Thou knowest my downsitting and mine uprising, thou understandest my thought afar off. 3 Thou compassest my path and my lying down, and art acquainted with all my ways.

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.

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, Ps. 139:17–18.