The natural desire of good men is knowledge.

The study of what is excellent is food for the mind and body.

Anyone who invokes authors in discussion is not using his intelligence but his memory.

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.

Nothing is so much to be feared as Evil Report.

The days are long enough for those who use them.

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