2:1-8 Those who begin well, but do not persevere, will justly be upbraided with their hopeful and promising beginnings. Those who desert religion, commonly oppose it more than those who never knew it. For this they could have no excuse. God's spiritual Israel must own their obligations to him for safe conduct through the wilderness of this world, so dangerous to the soul. Alas, that many, who once appeared devoted to the Lord, so live that their professions aggravate their crimes! Let us be careful that we do not lose in zeal and fervency, as we gain knowledge.
3. holiness unto the Lord—that is, was consecrated to the service of Jehovah (Ex 19:5, 6). They thus answered to the motto on their high priest's breastplate, "Holiness to the Lord" (De 7:6; 14:2, 21).
first-fruits of his increase—that is, of Jehovah's produce. As the first-fruits of the whole produce of the land were devoted to God (Ex 23:19; Nu 18:12, 13), so Israel was devoted to Him as the first-fruit and representative nation among all nations. So the spiritual Israel (Jas 1:18; Re 14:4).
devour—carrying on the image of first-fruits which were eaten before the Lord by the priests as the Lord's representatives; all who ate (injured) Jehovah's first-fruits (Israel), contracted guilt: for example, Amalek, the Amorites, &c., were extirpated for their guilt towards Israel.
shall come—rather, "came."