Numbers 24:9 (BSB)

He crouches, he lies down like a lion, like a lioness—who dares to rouse him? Blessed are those who bless you and cursed are those who curse you.”

From Numbers 24. Also in the ESV.

Commentary on Numbers 24:9

• John Calvin (Reformed), Calvin's Commentaries on Numbers 24:9: 9. Blessed is he that blesseth thee. This mode of expression signifies that the Israelites were elected by God, on these terms, that He would account as conferred upon Himself whatever injury or benefit they might receive. Nor is there anything new in this, that God should declare that He would be an enemy to the enemies of His Church; and, on the other hand...
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Numbers 24:1-9: The blessing itself which Balaam here pronounces upon Israel is much the same with the two we had in the foregoing chapter; but the introduction to it is different. I. The method of proceeding here varies much in several instances. 1.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Numbers 24:9: He couched,.... Which may respect the posture of the armies of Israel in the plains of Moab: he lay down as a lion, and as a great lion; as he would do, and did in the land of Canaan, when conquered by Israel; they took up their residence on it quietly, and dwelt in it securely, and in no more fear of their enemies than...