The Rise and Fall of the House of Medici by Christopher Hibbert

and clever Johannes Bessarion, Archbishop of Nicaea, a compromise on the delicate subject of the Holy Ghost was reached; and this opened the way for agreement on other matters, including the partial authority of the Papacy over the Eastern Church. The crucial document setting forth the terms of the oecumenical compromise was solemnly signed on 5 July 1439; and the following day, during a ceremony in the Cathedral, this dramatic pronouncement was made: ‘Let the heavens rejoice and the earth exult, for the wall which divided the Western and Eastern Churches has fallen. Peace and concord have returned.’
    The words were spoken by Cardinal Cesarini in Latin, and by Archbishop Bessarion in Greek. Then the Italian cardinal and the Greek archbishop embraced each other and, joined by all the other prelates and the Eastern Emperor, they knelt before the Pope. Afterwards their message to the Christian world, celebrating the triumph of reason, was inscribed on one of the great stone pillars which were to support the Cathedral dome.
    But the concord thus joyfully celebrated was of brief duration. Nosooner had the delegates returned home to Constantinople than the agreement reached in Florence was so strongly denounced that it had to be abandoned; and the Emperor was to find that the protestations of sympathy and promises of help against the Turk which he had received in Italy were to count for little. Fourteen years later the Sultan’s janissaries were to clamber over the smoking walls of Constantinople and the severed head of its last Emperor was to be displayed to the jeers of its conquerors at the top of a column of porphyry.
    Yet for Florence, as Cosimo had foreseen, the Council had far happier consequences. As well as profiting the trade of the city, it was an important influence on what was already being spoken of as the
Rinascimento
. The presence of so many Greek scholars in Florence provided an incalculable stimulus to the quickening interest in classical texts and classical history, in classical art and philosophy, and particularly in the study of Plato, that great hero of the humanists, for so long overshadowed by his pupil, Aristotle. Bessarion, whose lodgings had been crowded night after night with Greek and Italian scholars, was prevailed upon to remain in Italy where he was created a cardinal and Archbishop of Siponto. Gemistos Plethon, the great authority on Plato, who had travelled from Constantinople with Bessarion, also agreed to remain in Florence for a time before going home to the in his own country.
    Cosimo, who had listened to Plethon’s lectures on Plato with the closest attention, was inspired to found in Florence an academy for Platonic studies and to devote much more time to these studies himself. Plethon’s return home and Cosimo’s subsequent preoccupation with other matters had led to his plans being postponed for a time; but, some years later, when Cosimo adopted the son of one of his physicians, a young medical student named Marsilio Ficino, they were revived. Ficino’s enthusiasm for Plato prompted Cosimo to pay for his further education and afterwards to offer to instal him in the villa known as Montevecchio where, in the peace of the country, the young man was to study Greek and to translate all Plato into Latin. 1 Ficino eagerly accepted the offer and, as he grew older and more learned, Cosimo would call him over from Montevecchio to thenearby villa of Careggi, and either alone or with other friends, such as the Greek scholar, John Argyropoulos, whom Cosimo persuaded to come to Florence in 1456, they would discuss philosophical questions far into the night. From these foundations grew the Platonic Academy which was to have so profound an influence upon the development of European thought.
    As well as firing Cosimo with the ambition to found a Platonic Academy, the Council of Florence had also enabled him to make several marvellous additions to his library, which was beginning to be recognized