Another matter: “These are the words” – Rabbi Aḥa ben Rabbi Ḥanina said: The rebukes should have been said from the mouth of Bilam, and the blessings from the mouth of Moses; however, had Bilam rebuked them, Israel would have said: ‘An enemy is rebuking us.’ Had Moses blessed them, the nations of the world would have said: ‘Their beloved is blessing them.’ The Holy One blessed be He said: ‘Let Moses, who loves them, rebuke them, and Bilam, who hates them, bless them, so that it will be unquestionable that the blessings and the rebukes are deserved by Israel.’
Bilam and Moses of Israelites
Devarim Rabbah 1:4