וַיֹּ֙אמֶר֙ אֶל־בָּלָ֔ק הִתְיַצֵּ֥ב כֹּ֖ה עַל־עֹלָתֶ֑ךָ וְאָנֹכִ֖י אִקָּ֥רֶה כֹּֽה׃
And he said unto Balak: ‘Stand here by thy burnt-offering, while I go toward a meeting yonder.’
Read midrashic interpretation of Numbers 23:15: and classical rabbinic exegesis.