Numbers 23:17-19

¹⁷So Balaam returned to where the king and the leaders from Moab were standing, next to the altar where Balak had burned the sacrifices. Balak asked him, “What did Yahweh say?”

¹⁸Then Balaam told him this message: “Balak, listen carefully; hear what I have to say, you son of Zippor DOU!

¹⁹God is not a human being. Humans lie, but God never lies. He never changes his mind/thoughts, as humans do. Whatever he has said that he will do, he does.