Astrology is assured of recognition from psychology, without further restrictions, because astrology represents the summation of all the psychological knowledge of antiquity.
 - C.G. Jung

A most unfailing experience of the excitement of human natures by the conjunctions and aspects of the planets has instructed and compelled my unwilling belief.
 - Johann Kepler, Larousse Encyclopedia Astrology

It is clearly evident that most events of a widespread nature draw their causes from the enveloping heavens.
 - Claudius Ptolemy, Tetrabiblos