Numbers 23:7-8

Balaam took up his [first] discourse (oracle) and said: “Balak, the king of Moab, has brought me from Aram (Syria), from the mountains of the east, [saying,] ‘Come, curse [the descendants of] Jacob for me; And come, [violently] denounce Israel.’ “How shall I curse those whom God has not cursed? Or how can I [violently] denounce those the LORD has not denounced?