"These rules will enable you to have a free and sound judgment; since good judgment is born of clear understanding, and a clear understanding comes of reasons derived from sound rules, and sound rules are the issue of sound experience — the common mother of all the sciences and arts. Hence, bearing in mind the precepts of my rules, you will be able, merely by your amended judgment, to criticise and recognise every thing that is out of proportion in a work, whether in the perspective or in the figures or any thing else."

“3 miglia più in là si trova li edifici della vena del rame e dello argento, presso una terra detta Pra Santo Petro e vene di ferro e cose fantastiche. (Ancient Italian)”

“truovasi di miglio i(n) miglio bone osteriee. (Ancient Italian)”

“Subito salse in me due cose: paura e desiderio: paura per la minacciante e scura spelonca, desiderio per vedere se là entro fusse alcuna miracolosa cosa. (Ancient Italian)”

“Fa vini potenti e assai, … e ‘l vino vale el più uno soldo il boccale e la libbra della vitella un soldo e ‘l sale 10 dinari, e ‘l simile il burro, ed è la loro libbra 30 once, e l’ova un soldo la soldata. (Modern Italian)”

“Movement will fail sooner than usefulness.”

“A shadow will appear dark in proportion to the brilliancy of the light surrounding it and conversely it will be less conspicuous where it is seen against a darker background.”