In 1616, Vanini completed the second of his two works, "De Admirandis", and got it approved by two theologians at the Sorbonne. The work was published in September in Paris. It was dedicated to François de Bassompierre, a powerful man at the court of Marie de' Medici, and was printed by Adrien Périer, a Protestant. The work was immediately successful among those aristocratic circles populated by young spirits who looked with interest to the cultural and scientific innovations that came from Italy. The "De Admirandis" was a summa, lively and brilliant, of the new knowledge, and became a kind of "manifesto" for these cultural free spirits, giving Vanini a chance to stay safe in circles close to the French court. However, a few days after the publication of the work, the two theologians at the Sorbonne who had expressed their approval were presented to the Faculty of Theology in formal session and the outcome was a "de facto" ban on the movement of the text.