There is no higher or lower knowledge, but one only, flowing out of experimentation.

O painter skilled in anatomy, beware lest the undue prominence of the bones, sinews and muscles cause you to become a wooden painter from the desire to make your nude figures reveal all.

As regards this vice, we read that the peacock is more guilty of it than any other animal. For it is always contemplating the beauty of its tail, which it spreads in the form of a wheel, and by its cries attracts to itself the gaze of the creatures that surround it. And this is the last vice to be conquered.

The eye is the window of the human body through which it feels its way and enjoys the beauty of the world.

A life well used procures a happy death.

once you have tasted the taste of sky, you will forever look up

The cat is nature's masterpiece.