underneath, and above it; yet they all have the per∣ception of the heat of fire, in what place soever, provi∣ded they stand within a limited or determinate compass of it: I say, of the heat which is the effect of fire; for that is onely patterned out, and not the substance of the flame or fire it self: But on the contrary, if the heat of the fire did actually and really spread it self out to all the places nominated, as well downwards, upwards and sideways; then certainly it would be wasted in a little time, and leave its cause, which is the fire, heatless. Besides, that there are Copies and Originals, and that some perceptions are made by patterning, is evident by the appearance of one Candle in several distances, which several appearances can be nothing else, but several co∣pies of that Candle made by those parts that take pat∣terns from the Original; which makes me also believe, that after the same manner, many Stars which we take for Originals, may be but so many copies or patterns of one Star, made by the figurative motions of those parts where they appear.Q. 18. Whether the Optick Perception is made in the Eye, or Brain, or in both?I answer: The perception of Sight, when awake, is made on the outside of the Eye, but in sleep on the in∣side; and as for some sorts of Thoughts or Concep∣tions, which are the actions of reason, they are to my apprehension made in the inner part of the head, al∣though I am not able to determine properly what part 0