Astrology may rest on better foundations than Magic. For if no one has seen either Goblins, or Lemures, or Dives, or Peris, or Demons, or Cacodemons, the predictions of astrologers have often been seen to succeed. If of two astrologers consulted on the life of a child and on the weather, one says that the child will live to manhood, the other not; if one announces rain, and the other fine weather, it is clear that one of them will be a prophet.
The great misfortune of the astrologers is that the sky has changed since the rules of the art were established. The sun, which at the equinox was in Aries in the time of the Argonauts, is to-day in Taurus; and the astrologers, to the great ill-fortune of their art, to-day attribute to one house of the sun what belongs visibly to another. However, that is not a demonstrative reason against astrology. The masters of the art deceive themselves; but it is not demonstrated that the art cannot exist.
There is no absurdity in saying: Such and such a child is born in the waxing of the moon, during stormy weather, at the rising of such and such star; his constitution has been feeble, and his life unhappy and short; which is the ordinary lot of poor constitutions: this child, on the contrary, was born when the moon was full, the sun strong, the weather calm, at the rising of such and such star; his constitution has been good, his life long and happy. If these observations had been repeated, if they had been found accurate, experience would have been able after some thousands of years to form an art which it would have been difficult to doubt: one would have thought, with some likelihood, that men are like trees and vegetables which must be planted and sown only in certain seasons. It would have been of no avail against the astrologers to say: My son was born at a fortunate time, and nevertheless died in his cradle; the astrologer would have answered: It often happens that trees planted in the proper season perish; I answered to you for the stars, but I did not answer for the flaw of conformation you communicated to your child. Astrology operates only when no cause opposes itself to the good the stars can do.
One would not have succeeded better in discrediting the astrologer by saying: Of two children who were born in the same minute, one has been king, the other has been only churchwarden of his parish; for the astrologer could very well have defended himself by pointing out that the peasant made his fortune when he became churchwarden, as the prince when he became king.
And if one alleged that a bandit whom Sixtus V. had hanged was born at the same time as Sixtus V., who from a pig-herd became Pope, the astrologers would say one had made a mistake of a few seconds, and that it is impossible, according to the rules, for the same star to give the triple crown and the gibbet. It is then only because a host of experiences belied the predictions, that men perceived at last that the art was illusory; but before being undeceived, they were long credulous.
One of the most famous mathematicians in Europe, named Stoffler, who flourished in the fifteenth and sixteenth centuries, and who long worked at the reform of the calendar, proposed at the Council of Constance, foretold a universal flood for the year 1524. This flood was to arrive in the month of February, and nothing is more plausible; for Saturn, Jupiter and Mars were then in conjunction in the sign of Pisces. All the peoples of Europe, Asia and Africa, who heard speak of the prediction, were dismayed. Everyone expected the flood, despite the rainbow. Several contemporary authors record that the inhabitants of the maritime provinces of Germany hastened to sell their lands dirt cheap to those who had most money, and who were not so credulous as they. Everyone armed himself with a boat as with an ark. A Toulouse doctor, named Auriol, had a great ark made for himself, his family and his friends; the same precautions were taken over a large part of Italy. At last the month of February arrived, and not a drop of water fell: never was month more dry, and never were the astrologers more embarrassed. Nevertheless they were not discouraged, nor neglected among us; almost all princes continued to consult them.
I have not the honour of being a prince; but the celebrated Count of Boulainvilliers and an Italian, named Colonne, who had much prestige in Paris, both foretold that I should die infallibly at the age of thirty-two. I have been so malicious as to deceive them already by nearly thirty years, wherefore I humbly beg their pardon.
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