Deu 32:5 | JFB | STEP | 5. They have corrupted themselves-- that is, the Israelites by their frequent lapses and their inveterate attachment to idolatry. their spot is not the spot of his children-- This is an allusion to the marks which idolaters inscribe on their foreheads or their arms with paint or other substances, in various colors and forms--straight, oval, or circular, according to the favorite idol of their worship.

‏ Deuteronomy 32:5

5. They have corrupted themselves--that is, the Israelites by their frequent lapses and their inveterate attachment to idolatry.

their spot is not the spot of his children--This is an allusion to the marks which idolaters inscribe on their foreheads or their arms with paint or other substances, in various colors and forms--straight, oval, or circular, according to the favorite idol of their worship.