There was another priest, who has meanwhile died the death of the just, a celebrated author and art critic. In writing a work on Voltaire he had to study the books of that arch-agnostic. He obtained the requisite permission, but, while perusing Voltaire's writings, he was on his knees, to implore, as it were, by this humble posture the protection of God against the wicked influence to which he was exposed.
St. Francis of Sales, the great and learned Bishop of Geneva, had obtained permission to read the books of heretics in order to refute them, and he is careful to let his readers know the fact, at the same time thanking God in pathetic words that his soul had suffered no harm in so great a danger.
This grave natural duty in the choice of our reading matter extends much farther than the legislation of the Church. Parents and priests do not comply with their obligation of controlling the reading of their charges if they merely look up the Index to see whether a certain book is mentioned there. If an otherwise unobjection-
