Numbers 22:13 (BSB)

So Balaam got up the next morning and said to Balak’s princes, “Go back to your homeland, because the LORD has refused to let me go with you.”

From Numbers 22. Also in the ESV.

Commentary on Numbers 22:13

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Numbers 22:1-14: The children of Israel have at length finished their wanderings in the wilderness, out of which they went up (Num 21:18), and are now encamped in the plains of Moab near Jordan, where they continued till they passed through Jordan under Joshua, after the death of Moses. Now we have here, I. The fright which the Moabites were in upon the approach of Israel, Num 22:2-4.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Numbers 22:13: And Balak sent yet again princes more, and more honourable than they. More in number, and greater in quality, princes of the first rank in his court; supposing that Balaam thought he was not treated with respect enough, they being princes of the meaner sort, and but few, that were sent unto him before, which he imagined was the reason, at least one reason, why...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Numbers 22:13: the Lord refuseth to give me leave to go with you--This answer has an appearance of being good, but it studiously concealed the reason of the divine prohibition [Num 22:12], and it intimated his own willingness and desire to go--if permitted. Balak despatched a second mission, which held out flattering prospects, both to his avarice and his ambition (Gen 31:30).
• Geneva Bible Notes (Reformed), Geneva Bible Study Notes on Numbers 22:13: And Balaam rose up in the morning, and said unto the princes of Balak, Get you into your land: for the LORD refuseth to give me leave to go with you. (g) Or else he would have been willing, covetousness had so blinded his heart.