During the time men live without a common power to keep them all in awe, they are in that conditions called war and such a war, as if of every man, against every man.
Such is the nature of men, that howsoever they may acknowledge many others to be more witty, or more eloquent, or more learned; yet they will hardly believe there be many so wise as themselves.
The disembodied spirit is immortal; there is nothing of it that can grow old or die. But the embodied spirit sees death on the horizon as soon as its day dawns.
The right of nature... is the liberty each man hath to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.
There is no such thing as perpetual tranquillity of mind while we live here; because life itself is but motion, and can never be without desire, nor without fear, no more than without sense.