“fruitless professors often walk hand in hand” with the godly in the “performance of duties, and … the enjoyment of outward privileges.” But “now come to their secret retirements, and what a difference is there! There saints hold communion with God: hypocrites, for the most part, with the world and their own lusts.”10 Any child could be catechized, and any academic could make sacrificial decisions for the sake of principle, he realized, but only saints could grow in grace: “That knowledge of God