A Short Biographical Dictionary of English Literature/John of Salisbury
John of Salisbury (1120?-1180?).—B. at Salisbury, studied at Paris. He became sec. to Theobald Archbishop of Canterbury, and retained the office under Becket. In 1176 he was made Bishop of Chartres. He wrote in Latin, in 8 books, Polycraticus, seu De Nugis Curialium et Vestigiis Philosophorum (on the Trifles of the Courtiers, and the Footsteps of the Philosophers). In it he treats of pastimes, flatterers, tyrannicide, the duties of kings and knights, virtue and vice, glory, and the right of the Church to remove kings if in its opinion they failed in their duty. He also wrote a Life of Anselm. He was one of the greatest scholars of the Middle Ages.