By the pure are here meant those who possess a perfect goodness, conscious to themselves of no evil thoughts, or again those who live in such temperance as is mostly necessary to seeing God according to that of St. Paul, “Follow peace with all men, and holiness, without which no man shall see God.” For as there are many merciful, yet unchaste, to shew that mercy alone is not enough, he adds this concerning purity.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).