"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?"
— Hobbes, Thomas (1588-1679)
(Introduction, §1, p.3-4)
Text from Past Masters, drawn from the 1843 Molesworth edition.
See also Leviathan, or, The Matter, Forme, and Power of a Common Wealth, Ecclesiasticall and Civil by Thomas Hobbes (London: Printed for Andrew Crooke, 1651). <Link to EEBO-TCP>
Reading Thomas Hobbes, Leviathan, ed. Edwin Curley (Indianapolis and Cambridge: Hackett Publishing, 1994).