Aristotle

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. ”

Nature does nothing in vain. ”

If one way be better than another, that you may be sure is nature's way. ”

In all things of nature there is something of the marvelous. ”

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. ”

Man is by nature a political animal. ”

The beginning of reform is not so much to equalize property as to train the noble sort of natures not to desire more, and to prevent the lower from getting more. ”

Change in all things is sweet. ”