John Gills Exposition of the Bible Commentary - Psalms 139:11
If I say, surely the darkness shall cover me ,.... The darkness of a cloud or of the night, so that my actions shall not be seen; that is, if I entertain such a thought in my mind, that what I do in the dark will escape the sight and knowledge of God, and so be emboldened to commit it; even the night shall be light about me ; and make all my works manifest, as light does. read more
Matthew Henry's Complete Commentary - Psalms 139:7-16
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. If God is omnipresent, he must needs be omniscient; but he is omnipresent; this supposes the infinite and immensity of his being, from which follows the ubiquity of his presence;... read more