Exodus 3:3 (BSB)

So Moses thought, “I must go over and see this marvelous sight. Why is the bush not burning up?”

From Exodus 3. Also in the ESV.

Commentary on Exodus 3:3

• John Calvin (Reformed), Calvin's Commentaries on Exodus 3:3: 3. And Moses said, I will now turn aside. It is certain that his mind was disposed to reverence from no rashness, but by divine inspiration. Although not yet accustomed to visions, he still perceives that, this is no unmeaning spectacle, but that some mystery was contained in it, which he must by no means neglect, and to the knowledge of which he was divinely called.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Exodus 3:1-6: The years of the life of Moses are remarkably divided into three forties: the first forty he spent as a prince in Pharaoh's court, the second a shepherd in Midian, the third a king in Jeshurun; so changeable is the life of men, especially the life of good men. He had now finished his second forty, when he received his commission to bring Israel out of Egypt.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Exodus 3:3: And Moses said, I will now turn aside,.... From the place where he was, and the flock he was feeding, and get nearer to the bush, which seems to have been on one side of him and not directly before him: and see this great sight, why the bush is not burnt; inquire into, and find out, if he could, the reason of this strange...
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on Exodus 3:2-5: Exo 3:2-5 Here, at Horeb, God appeared to Moses as the Angel of the Lord “in a flame of fire out of the midst of the thorn-bush” (סנה, βάτος, rubus), which burned in the fire and was not consumed. אכּל, in combination with איננּוּ, must be a participle for מאכּל.