Numbers 23:23
Surely there is no enchantment against Jacob, neither is there any divination against Israel: according to this time it shall be said of Jacob and of Israel, What hath God wrought!
Cross-reference
Numbers 23:8 from the first oracle asks how to curse whom God has not cursed—directly parallel to the theme of divine protection.
Numbers 22:6 records Balak's request to curse Israel, directly contradicted by Balaam's declaration here that no curse works.
Numbers 24:1 shows Balaam acting on this revelation, no longer seeking enchantments, a direct narrative consequence.
Numbers 22:12 establishes God's blessing on Israel, the foundation for Balaam's oracle that no curse can harm them.
Micah 6:5 directly references the same Balak-Balaam incident, urging Israel to remember God's righteous intervention.
Psalm 109:28 contrasts cursing and blessing — God's blessing overrides enemies' curses, echoing Balaam's failed attempts to curse Israel here.