How painting surpasses all human works by reason of the subtle possibilities which it contains.
The Book of the science of Mechanics must precede the Book of useful inventions.
Why does the eye see a thing more clearly in dreams than the imagination when awake?
Vows begin when hope dies.
The boundaries of bodies are the least of all things.
A bird is an instrument working according to mathematical law, which instrument it is within the capacity of man to reproduce with all its movements.