The potency of prayer has subdued the strength of fire, it has bridled the rage of lions, hushed anarchy to rest, extinguished wars, appeased the elements, expelled demons, burst the chains of death, expanded the fates of heaven, assuaged diseases, dispelled frauds, rescued cities from destruction, stayed the sun in its course, and arrested the progress of the thunderbolt. There is (in it) an all-sufficient panoply, a treasure undiminished, a mine which is never exhausted, a sky unobscured by clouds, a heaven unruffled by the storm. It is the root, the fountain, the mother of a thousand blessings!
– John Chrysostom (HT: R. Kent Hughes)