Those who are inspired by a model other than Nature, labor in vain.

A man of supreme folly: his life flies away while he is merely hoping to enjoy it.

If you call painting dumb poetry, the painter may call poetry blind painting.

I abhor the supreme folly of those who blame the disciples of nature in defiance of those masters who were themselves her pupils

The memory of benefits is a frail defence against ingratitude.

While I thought that I was learning how to live, I have been learning how to die.

Perspective is nothing more than a rational demonstration applied to the consideration of how objects in front of the eye transmit their image to it, by means of a pyramid of lines. The Pyramid is the name I apply to the lines which, starting from the surface and edges of each object, converge from a distance and meet in a single point.