 In response to the Argument from Pre-established Harmony, the argument that “The world is so well constructed, we are told, that it must have had a highly skillful Architect” or, as Leibniz preferred to say, that “the harmony of all the monads can only have arisen from a common cause” (1900, sec. 114, p. 183), Russell notes that this is simply a version of the Argument from Design and that “Being more palpably inadequate than any of the others, it has acquired a popularity which they have never enjoyed” (1900, sec. 114, p. 183).