“Although he was completely illiterate, if he looked at a book which was incorrect, which contained some false statement, or which aimed at deceiving the reader, he immediately put his finger on the offending passage. If you asked him how he knew this, he said that a devil first pointed out the place with its finger…When he was harried beyond endurance by these unclean spirits, Saint John’s Gospel was placed on his lap, and then they all vanished immediately, flying away like so many birds. If the Gospel were afterwards removed and the History of the Kings of Britain by Geoffrey of Monmouth put there in its place, just to see what would happen, the demons would alight all over his body, and on the book, too, staying there longer than usual and being even more demanding.”
Book 1, chapter 5, pp. 117-18.
Itinerarium Cambriae (The Journey Through Wales) (1191)
Original
Librum quoque mendosum, et vel falso scriptum, vel falsum etiam in se continentem inspiciens, statim, licet illiteratus omnino fuisset, ad locum mendacii digitum ponebat. Interrogatus autem, qualiter hoc nosset, dicebat daemonem ad locum eundem digitum suum primo porrigere…Contigit aliquando, spiritibus immundis nimis eidem insultantibus, ut Evangelium Johannis ejus in gremio poneretur: qui statim tanquam aves evolantes, omnes penitus evanuerunt. Quo sublato postmodum, et Historia Britonum a galfrido Arthuro tractata, experiendi causa, loco ejusdem subrogata, non solum corpori ipsius toti, sed etiam libro superposito, longe solito crebrius et taediosius insederunt.
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Gerald of Wales 13
Medieval clergyman and historian 1146Related quotes

Ménippe est l'oiseau paré de divers plumages qui ne sont pas à lui. Il ne parle pas, il ne sent pas; il répète des sentiments et des discours, se sert même si naturellement de l'esprit des autres qu'il y est le premier trompé, et qu'il croit souvent dire son goût ou expliquer sa pensée, lorsqu'il n'est que l'écho de quelqu'un qu'il vient de quitter.
Aphorism 40
Les Caractères (1688), Du mérite personnel
My Life in Court (1961), p. 115.

It's all there, it's a true story.
When asked about the meaning of the song "Ballad of a Thin Man" during a 1965 interview.
Campbell's recollection in 1819 after a visit to Swellendam, quoted in Die Wêreld van Susanna Smit, 1799–1863, Schoeman (1995)
Source: Star Maker (1937), Chapter XV: The Maker and His Works; 2. Mature Creating (pp. 176-177)