You will have olive trees throughout your territory but will never anoint yourself with oil, because the olives will drop off.
Having viewed the bright side of the cloud, which is towards the obedient, we have now presented to us the dark side, which is towards the disobedient. If we do not keep God's commandments, we not only come short of the blessing promised, but we lay ourselves under the curse, which is as comprehensive of all misery as the blessing is of all happiness. Observe, I.
Commenting on Deuteronomy 28:15-44
He shall lend to thee, and thou shall not lend to him,.... The stranger, or one of another nation, shall be in a capacity of lending to the Jew, when the Jew would not be able to lend to the Gentile, his circumstances being so low and mean; to show which is the design of the expression, and not the kindness or unkindness of either...
Deu 28:40 They would have many olive-trees in the land, but not anoint themselves with oil, because the olive-tree would be rooted out or plundered (ישּׁל, Niphal of שׁלל, as in Deu 19:5, not the Kal of נשׁל, which cannot be shown to have the intransitive meaning elabi).