After the inquisition had examined Galileo personally, they allowed him a reasonable time for preparing his defence. He felt the difficulty of adducing any thing like a plausible justification of his conduct; and he resorted to an ingenious, though a shallow artifice, which was regarded by the court as an aggravation of the crime. After his first appearance before the inquisition in 1616, he was publicly and falsely charged by his enemies with having then abjured his opinions; and he was taunted as a criminal who had been actually punished for his offences. As a refutation of these calumnies. Cardinal Bellarmine had given him a certificate in his own handwriting, declaring that he neither abjured his opinions, nor suffered punishment for them; and that the doctrine of the earth's motion, and the sun's stability, was only denounced to him as contrary to scripture, and as one which could not be defended. To this certificate the cardinal did not add, because he was not called upon to do it, that Galileo was enjoined not _to teach in any manner_ the doctrine thus denounced; and Galileo ingeniously avails himself of this supposed omission, to account for his having, in the lapse of fourteen or sixteen years, forgotten the injunction. He assigned the same excuse for his having omitted to mention this injunction to Riccardi, and to the inquisitor-general at Florence, when he obtained the licence to print his dialogues. The court held the production of this certificate to be at once a proof and an aggravation of his offence; because the certificate itself declared that the obnoxious doctrines had been pronounced contrary to the Holy Scriptures.