In life beauty perishes, but not in art.

The eye is the window of the human body through which it feels its way and enjoys the beauty of the world.

Abbreviators do harm to knowledge and to love.

If we make mistakes in our first compositions and do not know them, we may not amend them.

Study me, reader, if you delight in me, because on very few occasions shall I return to the world, and because the patience for this profession is found in very few, and only in those who wish to compose things anew. Come, oh men, to see the miracles that such studies will disclose to nature.

There is no result in nature without a cause; understand the cause and you will have no need of the experiment.

The motions of men must be such as suggest their dignity or their baseness.