Sin is a mystery, and it’s a mystery the psalmist wrestles with in Psalm 19. First he looks up to the heavens to delight in the Creator’s handiwork (verses 1–6). Then he looks down to delight in God’s words (verses 7–11). And the next moment he is on his face pleading with God for power for victory over sin (verses 12–13).
12 Who can discern his errors?
Declare me innocent from hidden faults.
13 Keep back your servant also from presumptuous sins;
let them not have dominion over me!
Then I shall be blameless,
and innocent of great transgression.
Sin in Two Forms
The psalmist shows us sin in at least two different forms: "hidden faults" and "presumptuous sins." One is like a trapdoor…