"These rules are of use only in correcting the figures; since every man makes some mistakes in his first compositions and he who knows them not, cannot amend them. But you, knowing your errors, will correct your works and where you find mistakes amend them, and remember never to fall into them again. But if you try to apply these rules in composition you will never make an end, and will produce confusion in your works."

“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.”