But if you do not drive out the inhabitants of the land from before you, then those of them whom you let remain shall be as barbs in your eyes and thorns in your sides, and they shall trouble you in the land where you dwell.
55 But if ye will not drive out. We have elsewhere seen why God’s wrath was so greatly aroused against those nations, that He desired them to be exterminated. Even in Abraham’s time gross indulgence of sin had begun to prevail there, as we gather from God’s word, when He said that “their iniquity was not yet full.” After they had abused the forbearance of...
FROM SINAI TO KADESH AND PLAINS OF MOAB. (Num. 33:16-56) Kibroth-Hattaavah ("the graves of lust," see on Num 11:34) --The route, on breaking up the encampment at Sinai, led down Wady Sheikh; then crossing Jebel-et-Tih, which intersected the peninsula, they descended into Wady Zalaka, pitching successively at two brief, though memorable, stations (Deu 9:22); then they encamped at Hazeroth ("unwalled villages"), supposed to be at Ain-Hadera (see on Num 11:35).
Commenting on Numbers 33:16-56
But if ye will not drive out the inhabitants of the land from before you--No associations were to be formed with the inhabitants; otherwise, "if ye let remain, they will be pricks in your eyes, and thorns in your sides"--that is, they would prove troublesome and dangerous neighbors, enticing to idolatry, and consequently depriving you of the divine favor and blessing.