There is no such thing as perpetual tranquility of mind while we live here.

Moral philosophy is nothing else but the science of what is good, and evil, in the conversation, and society of mankind. Good, and evil, are names that signify our appetites, and aversions; which in different tempers, customs, and doctrines of men, are different.

The errors of definitions multiply themselves according as the reckoning proceeds; and lead men into absurdities, which at last they see but cannot avoid, without reckoning anew from the beginning.

Opinion of ghosts, ignorance of second causes, devotion to what men fear, and talking of things casual for prognostics, consisteth the natural seeds of religion

Nature (the Art whereby God hath made and governs the World) is by the Art of man, as in many other things, so in this also imitated, that it can make an Artificial Animal. For seeing life is but a motion of Limbs, the beginning whereof is in some principal part within; why may we not say, that all Automata (Engines that move themselves by springs and wheels as doth a watch) have an artificial life?

To say God spake or appeared as he is in his own nature, is to deny his Infiniteness, Invisibility, Incomprehensibility.

A man's conscience and his judgment is the same thing; and as the judgment, so also the conscience, may be erroneous.