Commentaries
32:1,2 Moses begins with a solemn appeal to heaven and earth, concerning the truth and importance of what he was about to say. His doctrine is the gospel, the speech of God, the doctrine of Christ; the doctrine of grace and mercy through him, and of life and salvation by him.
2, 3. My doctrine shall drop, &c.—The language may justly be taken as uttered in the form of a wish or prayer, and the comparison of wholesome instruction to the pure, gentle, and insinuating influence of rain or dew, is frequently made by the sacred writers (Isa 5:6; 55:10, 11).