As for God, his way is perfect: the word of the LORD is proven: he is a shield to all those that trust in him.
All Commentaries on Psalms 18:30 Go To Psalms 18
George Leo Haydock
AD 1849
As for, might be omitted. (Haydock)
The conduct of God towards men is irreproachable. He will treat all according to their deserts, and will fulfil his promises of protecting the just. (Eusebius)
Hebrew, "He is the strong God. His words are pure as gold. He is the shield "(Berthier)