Deuteronomy 7:12-24

Verse 12

The Lord - shall keep unto thee the covenant - So we find their continuance in the state of favor was to depend on their faithfulness to the grace of God. If they should rebel, though God had chosen them through his love, yet he would cast them off in his justice. The elect, we see, may become unfaithful, and so become reprobates. So it happened to 24,000 of them, whose carcasses fell in the wilderness because they had sinned; yet these were of the elect that came out of Egypt. Let him that standeth take heed lest he fall.
Verse 22

Put out those nations - by little and little - The Israelites were not as yet sufficiently numerous to fill the whole land occupied by the seven nations mentioned Deu 7:1. And as wild and ferocious animals might be expected to multiply where either there are no inhabitants, or the place is but thinly peopled, therefore God tells them that, though at present, by force of arms, they might be able to expel them, it would be impolitic so to do, lest the beasts of the field should multiply upon them.
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