Verse 1
"A Song of degrees." Out of the a depths have I cried unto thee, O LORD.
(a) Being in great distress and sorrow.
Verse 3
If thou, LORD, shouldest mark iniquities, O Lord, b who shall stand?
(b) He declares that we cannot be just before God but by forgiveness of sins.
Verse 4
But [there is] forgiveness with thee, that thou c mayest be feared.
(c) Because by nature you are merciful therefore the faithful revere you.
Verse 7
Let Israel hope in the LORD: for with the LORD [there is] d mercy, and with him [is] plenteous redemption.
(d) He shows to whom the mercy of God belongs, that is, Israel, to the Church and not the reprobate.