BOOK I PART I
dent from considering their mature. The sim-
ple ideas of which modes are formed, either
represent qualities, which are not united by
contiguity and causation, but are dispersed in
different subjects; or if they be all united to-
gether, the uniting principle is not regarded as
the foundation of the complex idea. The idea
of a dance is an instance of the first kind of
modes; that of beauty of the second. The rea-
son is obvious, why such complex ideas can-
not receive any new idea, without changing the
name, which distinguishes the mode.