For the LORD is our defense; and the Holy One of Israel is our king.
Read Chapter 89
Augustine of Hippo
AD 430
18. "For of the Lord is our taking up" (ver. 18). For I was moved like a heap of sand, that I might fall; and I should have fallen, had not the Lord taken me up. "For of the Lord is (our ) taking up: and of the Holy One of Israel our King." Himself is thy taking up, Himself thy illumination: in His light thou art safe, in His light thou walkest, in His righteousness thou art exalted. He took thee up, He, guards thy weakness: He gives thee strength of Himself, not of thyself.
Israel. The Lord our king, (1 Kings viii. 7.) will protect us, (Haydock) or He will defend our King David, and his posterity, as he then promised to him, ver. 5, 20. These verses may be thus connected, as the psalmist had been led to praise the wonderful works of God, and now returns to his promises. (Berthier)