Giorgio Vasari, Lives of the Most Excellent Painters… (1850)
“ Thus did the genius of Cronaca enable him to avail himself of the works of others, and even to make them become almost as his own, a thing which few succeed in accomplishing; for the difficulty does not consist in merely becoming possessed of drawings and copies from fine works, but in knowing how to use them in such sort that they shall be in harmony with that to which they are applied, and shall conduce to the beauty, grace, and convenience of the whole, in due measure and proportion. ”
