Copernicus' theories are not fully formed, meaning there are several flaws that make the heliocentric hypothesis appear weak and ill-contrived. According to Giovanni Tolsani in 1546, a member of the Dominican Order, “almost all the hypotheses of this author Copernicus contain something false”5.) and he “seems unfamiliar with Holy Scripture since he contradicts some of its principles.”6.)Revolutions was not placed on the Index of Prohibited Books until 1616, seventy-three years after it was first published.7.)