Truth was always but the daughter of time.

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

Nothing will be left, Nothing in the air, nothing under the earth, nothing in the waters. All will be exterminated.

O Time with your teethy years! You swallow up all things little by little in a slow-motion, wrinkling process of dying.

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.

When you are alone you are all your own.

Nature is so delightful and abundant in its variations that among trees of the same kind there would not be found one which nearly resembles another, and not only the plants as a whole, but among their branches, leaves, and fruit, will not be found one which is precisely like another.