[454] Migne, 779.

[455] Migne, 833.

[456] Migne, 819.

[457] Migne, 943.

[458] Migne, 829.

[459] (1903), p. 82.

[460] (1903), p. 83.

CHAPTER XLI

JOHN OF SALISBURY

His picture of the learned world—Chief events of his life—General character of the Polycraticus—Magic, maleficia, and mathematica—Use of Isidore on magic—Relation of Thomas Becket to John’s discussion—Inconsistent Christian attitude toward superstition—Divine and natural signs—Miracle and occult virtue—Interpretation of dreams—Dreams of Joseph and Daniel—The witchcraft delusion—Prevalence of astrology—John’s attack upon it—Does astrology imply fatal necessity?—John’s lame conclusion—Other varieties of magic—Thomas Becket’s consultation of diviners—Witch of Endor: exorcisms—Divination from polished surfaces—Natural science and medicine—Summary.