What induces you, oh man, to depart from your home in town, to leave parents and friends, and go to the countryside over mountains and valleys, if it is not for the beauty of the world of nature?

What is fair in men, passes away, but not so in art

Medicine is the restoration of discordant elements; sickness is the discord of the elements infused into the living body.

Perspective is a most subtle discovery in mathematical studies, for by means of lines it causes to appear distant that which is near, and large that which is small.

I am not poor. Poor are those who desire many things.

The memory of benefits is a frail defence against ingratitude.

How many emperors and how many princes have lived and died and no record of them remains, and they only sought to gain dominions and riches in order that their fame might be ever-lasting.