text:  His book is however written in a pious spirit; nor have we now-a-days any right in good taste to ridicule his mixing up with his reverence for the Creator and the Virgin Mary and all saints in general and St Eustachius and St Francis St John the Baptist St Anthony of Padua "the reverence of Giotto of Taddeo and of Agnolo the master of Cennino;" nor do we in the least doubt nay admire his happy zeal when he says that he begins his book "for the utility and good and advantage of those who would attain perfection in the arts