If one way be better than another, that you may be sure is nature's way.
All men by nature desire to know.
But Nature flies from the infinite, for the infinite is unending or imperfect, and Nature ever seeks an end.
The search for truth is in one way hard and in another way easy, for it is evident that no one can master it fully or miss it wholly. But each adds a little to our knowledge of nature, and from all the facts assembled there arises a certain grandeur.
Nature does nothing uselessly.
Everything that depends on the action of nature is by nature as good as it can be, and similarly everything that depends on art or any rational cause, and especially if it depends on the best of all causes. To entrust to chance what is greatest and most noble would be a very defective arrangement.
For as the eyes of bats are to the blaze of day, so is the reason in our soul to the things which are by nature most evident of all.
He who can be, and therefore is, another's, and he who participates in reason enough to apprehend, but not to have, is a slave by nature.
Hence poetry is something more philosophic and of graver import than history, since its statements are rather of the nature of universals, whereas those of history are singulars.
In all things of nature there is something of the marvelous.
Man is by nature a political animal.
Nature does nothing in vain.
The moral virtues, then, are produced in us neither by nature nor against nature. Nature, indeed, prepares in us the ground for their reception, but their complete formation is the product of habit.
Nature flies from the infinite, for the infinite is unending or imperfect, and Nature ever seeks amend.
Thus every action must be due to one or other of seven causes: chance, nature, compulsion, habit, reasoning, anger, or appetite.