— 143 —
      §3.This is certain, That whatever alterations are made in the
Body, if they reach not the Mind; whatever impressions are made
on the outward parts, if they are not taken notice of within, there is
no Perception. Fire may burn our Bodies, with no other effect, than
it does a Billet, unless the motion be continued to the Brain, and
there the sence of Heat, or Idea of Pain, be produced in the Mind,
wherein consists actual Perception.
Locke Hum II, 9, §3, p. 143