It is God’s will through his wonderful grace, that the prayers of his saints should be one of the great principal means of carrying on the designs of Christ’s kingdom in the world. When God has something very great to accomplish for his church, it is his will that there should precede it the extraordinary prayers of his people; . . . and it is revealed that, when God is about to accomplish great things for his church, he will begin by remarkably pouring out the spirit of grace and supplication.