Good culture is born of a good disposition; and since the cause is more to be praised than the effect, I will rather praise a good disposition without culture, than good culture without the disposition.

Learning never exhausts the mind.

True and great love springs out of great knowledge, and where you know little you can love but little or not at all.

The Medici created and destroyed me.

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

I say that the power of vision extends through the visual rays to the surface of non-transparent bodies, while the power possessed by these bodies extends to the power of vision.

There are many kinds of beauty as people who possess it.