Aristotle

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.

Education is an ornament in prosperity and a refuge in adversity.

Education is the best provision for old age.

Man is the only animal capable of reasoning, though many others possess the faculty of memory and instruction in common with him.

The duty of rhetoric is to deal with such matters as we deliberate upon without arts or systems to guide us, in the hearing of persons who cannot take in at a glance a complicated argument or follow a long chain of reasoning.