For I will drive out the nations before you and enlarge your borders, and no one will covet your land when you go up three times a year to appear before the LORD your God.
Here is a repetition of several appointments made before, especially relating to their solemn feasts. When they had made the calf, they proclaimed a feast in honour of it; now, that they might never do so again, they are here charged with the observance of the feasts which God had instituted.
Commenting on Exodus 34:18-27
The first of the firstfruits of thy land thou shalt bring,.... This, and another law in this verse, concerning not seething a kid in his mother's milk, are repeated from Exo 23:19. See Gill on Exo 23:19. . Exodus 34:27 exo 34:27 exo 34:27 exo 34:27And the Lord said unto Moses,....
For I will cast out the nations before thee, and enlarge thy borders: neither shall any man desire thy land, when thou shalt go up to appear before the LORD thy God thrice in the year. (h) God promises to defend them and theirs, who obey his commandment.