That he may see; that by some visible appearance he may see the invisible guard of angels which encompass and defend us. Chariots of fire; which is useful, both for defence to those that are surrounded by it, and offence to the enemies who shall attempt to break through it. Round about Elisha: either the mountains were round about the city, and therefore round about Elisha, who was within it; or he saw in a vision Elisha upon the mountain encompassed with fiery horses and chariots.
Related Commentaries of 2 Kings 6:17
2 Kings 6:17
17 And Elisha prayed, and said, LORD, I pray thee, open his eyes, that he may see. And the LORD opened the eyes of the young man; and he saw: and, behold, the mountain was full of horses and chariots of fire round about Elisha.