In rivers, the water that you touch is the last of what has passed and the first of that which comes; so with present time.

Art is the queen of all sciences communicating knowledge to all the generations of the world.

Those who are inspired by a model other than Nature, labor in vain.

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.

life without love, is no life at all

If you are representing a white body let it be surrounded by ample space, because as white has no colour of its own, it is tinged and altered in some degree by the colour of the objects surrounding it

Drawing is based upon perspective, which is nothing else than a thorough knowledge of the function of the eye.