In life beauty perishes, but not in art.

It is a far worthier thing to read by the light of experience than to adorn oneself with the labors of others.

Of several bodies, all equally large and equally distant, that which is most brightly illuminated will appear to the eye nearest and largest.

Obstacles cannot bend me. Every obstacle yields to effort.

A good painter has two main objects to paint, man and the intention of his soul. The former is easy, the latter hard as he has to represent it by the attitude and movement of the limbs.

Truth was always but the daughter of time.

Motion is created by the destruction of balance.