Here is an excerpt:
The soul being so precious, and salvation so glorious—it is the highest point of prudence to make preparations for the eternal world. It is beyond all dispute, that there is an inheritance in light; and it is most strenuously asserted in Holy Scripture that there must be a fitness and suitability for it (Col. 1:12). If anyone asks, “Who shall ascend into the hill of the Lord?” the answer is, “He who has clean hands, and a pure heart” (Psalm 24:4). To describe such a person is the work of this ensuing treatise. Here you have the godly man’s portrait, and see him portrayed in his full lineaments.