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

Mechanics is the paradise of the mathematical sciences because by means of it one comes to the fruits of mathematics.

While you are alone you are entirely your own master and if you have one companion you are but half your own, and the less so in proportion to the indiscretion of his behavior.

He who thinks little errs much.

I am still hopeful. A falcon, Time. But the coincidence is probably accidental.

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.

Perspective is the rein and rudder of painting.