Known. — The knowledge of God is love. There was special knowledge and intimacy between God and Israel. Upon such knowledge followed advantages and privileges innumerable.
Therefore I will... — This may mean, in proportion to your privileges will be your doom — but more probably that this intimacy of knowledge is the ground of gracious chastisement. For nation or man to be allowed to go on in sin without rebuke is the greatest curse that can befall it or him.