The Medici created and destroyed me.

A good painter has two main objects to paint, man and the intention of his soul.

Experiment is the sole interpreter of the artifices of Nature.

Men born in hot countries love the night because it refreshes them and have a horror of light because it burns them.

average human “looks without seeing, listens without hearing, touches without feeling, eats without tasting, moves without physical awareness, inhales without awareness of odour or fragrance, and talks without thinking.

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

Make yourself a master of perspective, then acquire perfect knowledge of the proportions of men and other animals.