Art is never finished, only abandoned.

Let proportion be found not only in numbers and measures, but also in sounds, weights, times, and positions, and what ever force there is.

How painting surpasses all human works by reason of the subtle possibilities which it contains.

It is an acknowledged fact that we perceive errors in the work of others more readily than in our own.

There are three classes of people: those who see, those who see when they are shown, those who do not see.

He turns not back who is bound to a star.

Most men are of naught more use in their lives but as machines for turning food into sh*t.