Thomas Hobbes — "No man can have a right to anything, unless he has a power to defend it."

"The greatest good, is the preservation of life."

"For the laws of nature, as I have shewed in the end of the 15th Chapter, are immutable and eternal."

"For seeing that the whole life of man is but a motion, and can never be without desire, nor without fear, no more than without sense."

"For words are wise men's counters, they do but reckon by them; but they are the money of fools, that value them by the authority of an Aristotle, a Cicero, or a Thomas, or any other doctor whatsoever,…"

"The desires, and other passions of man, are in themselves no sin. No more are the actions that proceed from those passions, till they know a law that forbids them."