John would later become chancellor of Chartres and also wrote about Gilbert saying: He taught grammar and theology, and would whip a student who made a grammatical error.
If he believed a student was wasting time in class, he would suggest he take up bread making, and last when he lectured he used philosophers, orators and as well as poets to help interpret.
In 1142, Gilbert became Bishop of Poitiers, and within the same year two archdeacons, Arnaud and Calon, denounced him for his ideas on the Trinity.
Pope Eugene III presided over the trial, during which Gilbert and Bernard were asked to cite and explain specific biblical texts.
The Liber sex principiorum, attributed to him, but in fact the work of an anonymous author,[3] was regarded with a reverence almost equal to that paid to Aristotle, and furnished matter for numerous commentators, amongst them Albertus Magnus.
Essential or inhering (formae inhaerentes) in the objects themselves are only substance, quantity, quality and relation in the stricter sense of that term.
[4] In the commentary on Boethius' treatise De Trinitate[5] he proceeds from the metaphysical notion that pure or abstract being is prior in nature to that which is.
[clarification needed] It was this distinction between Deitas or Divinitas and Deus that led to the condemnation of Gilbert's doctrine.