Numbers 22:20-22

God came to Balaam at night and said to him, “If the men have come to call you, get up and go with them, but you shall still do only what I tell you.” So Balaam got up in the morning and saddled his donkey and went with the leaders of Moab. But God’s anger was kindled because he was going, and the Angel of the LORD took His stand in the way as an adversary against him. Now he was riding on his donkey, and his two servants were with him.