Guglielmo of Forli was also a disciple of Giotto, and besides many other works he painted the chapel of the high-altar in S. Domenico at Forli, his native city. Disciples of Giotto, also, were Pietro Laurati and Simon Memmi of Siena, Stefano, a Florentine, and Pietro Cavallini, a Roman; but, seeing that of all these there is account in the Life of each one of them, let it suffice to have said in this place that they were disciples of Giotto, who drew very well for his time and for that manner, whereunto witness is borne by many sheets of parchment drawn by his hand in water-colour, outlined with the pen, in chiaroscuro, with the high lights in white, which are in our book of drawings, and are truly a marvel in comparison with those of the masters that lived before him. Giotto, as it has been said, was very ingenious and humorous, and very witty in his sayings, whereof there is still vivid memory in that city; for besides that which Messer Giovanni Boccaccio wrote about him, Franco Sacchetti, in his three hundred Stories, relates many of them that are very beautiful. Of these I will not forbear to write down some with the very words of Franco himself, to the end that, together with the story itself, there may be seen certain modes of speech and expressions of those times. He says in one, then, to give it its heading: "To Giotto, a great painter, is given a buckler to paint by a man of small account. He, making a jest of it, paints it in such a fashion that the other is put to confusion."