Numbers 22:15-22

15Once again Balak sent princes, more in number and more honorable than these.

16And they came to Balaam and said to him, "Thus says Balak the son of Zippor: 'Let nothing hinder you from coming to me,

17for I will surely do you great honor, and whatever you say to me I will do. Come, curse this people for me.'"

18But Balaam answered and said to the servants of Balak, "Though Balak were to give me his house full of silver and gold, I could not go beyond the command of the Lord my God to do less or more.

19So you, too, please stay here tonight, that I may know what more the Lord will say to me."

20And God came to Balaam at night and said to him, "If the men have come to call you, rise, go with them; but only do what I tell you."

21So Balaam rose in the morning and saddled his donkey and went with the princes of Moab.

22But God's anger was kindled because he went, and the angel of the Lord took his stand in the way as his adversary. Now he was riding on the donkey, and his two servants were with him.