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 1 1 |     perception of things, and at a certain knowledge of particular
 2 3 |            to refer to it, as to a certain criterion, the conceptions
 3 15|        explained, if we admit that certain images of the same color,
 4 18|           the air which receives a certain form, under the action of
 5 18|           cause a disengagement of certain particles, constitutes a
 6 19|          emanate from most objects certain particles capable of producing
 7 20|         addition or subtraction of certain particles. It follows from
 8 20| consequence of the retrenchment of certain parts, we can still recognize
 9 29|            it from it; but only in certain measure; for there are certain
10 29|     certain measure; for there are certain affections of the soul of
11 34|            to conceive in a moment certain distinct qualities, and
12 35|                          There are certain conceptions corresponding
13 36|         indicated. Nor need we, as certain philosophers do, affirm