The privie key of heaven; or, Twenty arguments for closet-prayer : in a select discourse on that subject: with the resolution of several considerable questions: the main objections also against closet-prayer, are here answered; cautions propounded, and the point improved; with several other things of no small importance, in respect of the internal and eternal welfare of the Christian reader. With twenty special lessons (in the epistle dedicatory to some afflicted friends) that we are to learn by that severe rod, the pestilence that now rageth in the midst of us. By Thomas Brooks, minister of the Gospel.