and shewn inconclusive. 267

^ Ae blood, by the help of a microscope,f doth not admire his own simple perceptmore than when he beholds a pebble jut something which he thinks at least, theCau s e and objeSt of it. We might as wellla y, when a man laughs at some ridiculous^ n g, he laughs at his own laughter only.*sowever, we may answer the question ca-! e g°rically : That these forementioned ob-[rivers, houses, mountains,] are the*° er y things we perceive by sense. This isa proper answer enough to such a question jWe may add, that these objeBs excite.^lations in the mind, by motion, or act-lj) g on the organs; whether by reflectingrays of light, by raising an undulationthe air, bv immediate contact, &c. andmotion is propagated by the nerves tobrain, where the foul (there present) is^Pprized of them thus acting. Now, it is110 matter whether what we fay be true ornot ; though it be only a conjecture formedat r andom, if it affigns to sensations their

- s °f their sensations, since sensations cannot be ob-s to themselves; for they make no reflex acts of thet * Utlc h and there are no material objects from without,hording to this scheme.

distinct