“The fool has said in his heart, ‘There is no God,'” David tells his readers. The fool denies the existence of God and his empty speculations lead him to acting contrary to God. He will do anything opposed to the will of God. He will not uphold justice. He will follow any evil inclination of his heart.
And this is the condition of every man. “There is no one who does good. Not even one” (v. 3). In the grace of God, some are redeemed by Christ from such foolishness. But many are not. Many seek to escape the ever-seeing eye of God and ever-present arm of God. This is the end of the fool’s delusions, writes Thomas Watson:
If God be infinite, he fills all places, is everywhere present. This is sad to the wicked, God is their enemy, and they cannot escape him, nor flee from him, for he is everywhere present; they are never out of his eye nor out of his reach. Psa 21:1. ‘Thine hand shall find out all thine enemies.’ What caves or thickets can men hide in, that God cannot find them; go where they will, he is present. Psa 139:9. ‘Whither shall I flee from thy presence?’ If a man owes a debt to another he may make his escape, and flee into another land, where the creditor cannot find him. ‘But whither shall I flee from thy presence?’ God is infinite, he is in all places; so that he will find out his enemies and punish them.
Of the many tragedies in the life of the fool is also this: he lives a sad life, convinced he can escape God and God is ever-knowing and present even while he makes these confused speculations. And this delusional thinking will be his condemnation.
Words of Grace 