His first work, Die Erste Liebe zu Christo, to which in modern times attention was again directed by Leo Tolstoy, appeared in 1696.
See Calwer-Zeller, Theologisches Handworterbuch, and the account of him in Albert Knapp's new edition of Die erste Liebe zu Christo (1845).
The true order of discovery, however, was as follows: (a) Sir Christo p her Wren made many experiments before the Royal Society, which were afterwards repeated in a corrected form by Sir Isaac Newton in the Principia, experimentally proving that bodies of ascertained comparative weights, when suspended and impelled against one another, forced one another back by impressing on one another opposite changes of velocity inversely as their weights and therefore masses; that is, by impressing on one another equal and opposite changes of momentum.
Among his other publications are De procuranda salute Indorum libri sex (Salamanca, 1588), De Christo revelato libri novem (Rome, 1590), De temporibus novissimis libri quatuor (Rome, 1590), and three volumes of sermons issued respectively in 1 59 6, 1 597 and 1599.
The new pope's motto, it is said, was " to establish all things in Christ " (instaurare omnia in Christo); and since, ex hypothesi, he himself was Christ's vicar on earth, the working out of this principle meant in effect the extension and consolidation of the papal authority and, as far as possible, an end to the compromises by means of which the papacy had sought to make friends of the Mammon of unrighteousness.