BOOK I PART III
part of it on another, or to breed a confusion
in my reasoning, I shall endeavour to maintain
my present assertion without any such assis-
tance.
It shall therefore be allowed for a moment,
that the production of one object by another
in any one instance implies a power; and that
this power is connected with its effect. But it
having been already proved, that the power
lies not in the sensible qualities of the cause;
and there being nothing but the sensible quali-
ties present to us; I ask, why in other instances
you presume that the same power still exists,
merely upon the appearance of these qualities?
Your appeal to past experience decides noth-
ing in the present case; and at the utmost can
only prove, that that very object, which pro-
duced any other, was at that very instant en-