effect with the Cardinals Scaglia and Bentivoglio. They united, as Niccolini reported on the 19th to Cioli, in protecting Galileo. Scaglia even read the celebrated "Dialogues," and, which was more to the purpose, that he might, with the help of Castelli,[1] who was best qualified to do it, explain the offending passages in a conciliatory spirit.
All this time Galileo, as is evident from his letters, was entertaining the most confident hopes of the favourable issue of his cause, and the final triumph of truth over falsehood.[2] Neither he nor his indefatigable friends, Niccolini and Castelli, could, it is true, learn anything definite about the actual state of the trial. The members of the Congregation, who alone could have given any information, kept the secrets of the Inquisition very close, as indeed they were bound to do under the heaviest penalties. The month of March passed by before the Holy Tribunal opened any direct official intercourse with Galileo. April was now come, and with it the storm which had been so long gathering burst over his head.
On the 7th, Niccolini went to Cardinal Barberini by his desire, and was informed on behalf of the Pope and the Congregation, that, in order to decide Galileo's cause, they could not avoid citing him to appear before the Holy Office, and as it was not known whether it could be all settled in the course of two hours, perhaps it would be necessary to detain him there. Barberini continued that "out of respect for the house in which Galileo had been staying, and for Niccolini as grand ducal ambassador, and in consideration of the good understanding which had always existed between his Highness and the papal chair, especially in matters relating to the Inquisition, they had not failed to inform him (Niccolini) of this beforehand, not to be wanting in respect for a prince so zealous for religion." After Niccolini had warmly thanked the cardinal for the attention shown by the Pope and the