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.

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 is full of genius full of the divinity so that not a snowflake escapes its fashioning hand.

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.

Nature does nothing in vain.

Man is by nature a political animal.

The method of nature: who could ever analyze it?

Everything in Nature contains all the powers of Nature. Everything is made of one hidden stuff.

We are by nature observers and thereby learners. That is our permanent state.

Nature hates calculators.