Numbers 23:8-10
8. How shall I curse, whom God hath not cursed?—A divine blessing has been pronounced over the posterity of Jacob; and therefore, whatever prodigies can be achieved by my charms, all magical skill, all human power, is utterly impotent to counteract the decree of God.
9. from the top—literally, "a bare place" on the rocks, to which Balak had taken him, for it was deemed necessary to see the people who were to be devoted to destruction. But that commanding prospect could contribute nothing to the accomplishment of the king's object, for the destiny of Israel was to be a distinct, peculiar people, separated from the rest of the nations in government, religion, customs, and divine protection (De 33:28). So that although I might be able to gratify your wishes against other people, I can do nothing against them (Ex 19:5; Le 20:24).
10. Who can count the dust of Jacob?—an Oriental hyperbole for a very populous nation, as Jacob's posterity was promised to be (Ge 13:16; 28:14).
the number of the fourth part of Israel—that is, the camp consisted of four divisions; every one of these parts was formidable in numbers. Let me die the death of the righteous—Hebrew, "of Jeshurun"; or, the Israelites. The meaning is: they are a people happy, above all others, not only in life, but at death, from their knowledge of the true God, and their hope through His grace. Balaam is a representative of a large class in the world, who express a wish for the blessedness which Christ has promised to His people but are averse to imitate the mind that was in Him.