"When we consider how much the philosophers of this world have labored, we should be ashamed to be inferior to them"; "We should seek always to comprehend by reason what we hold by faith." Richard of St. Victor. His works fall into the three classes of dogmatic, mystical, and exegetical. In the first, the most important is the treatise in six books on the Trinity, with the supplement on the attributes of the Three Persons, and the treatise on the...