— 536 —
      §12. Whether then they be Globules, or no; or whether they
have a Verticity about their own Centres, that produce the Idea of
Whiteness in us, this is certain, that the more Particles of Light are
reflected from a Body, fitted to give them that peculiar Motion,
which produces the Sensation of Whiteness in us; and possibly too,
the quicker that peculiar Motion is, the whiter does the Body
appear, from which the greater number are reflected, as is evident
in the same piece of Paper put in the Sun-beams, in the Shade, and
in a dark Hole; in each of which, it will produce in us the Idea of
Whiteness in far different
Locke Hum IV, 2, §12, p. 536