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 1 2 |            And there must be simple substances, since there are compounds;
 2 7 |            separate themselves from substances nor go about outside of
 3 8 |      existing things. And if simple substances did not differ in quality,
 4 12|           and variety of the simple substances.~
 5 17|       internal activities of simple substances can consist. (Theod. Pref. [
 6 18|                      18. All simple substances or created Monads might
 7 19|          explained, then all simple substances or created Monads might
 8 19|           should suffice for simple substances which have perception only,
 9 51|                   51. But in simple substances the influence of one Monad
10 52|           God, comparing two simple substances, finds in each reasons which
11 57|           infinite number of simple substances, it is as if there were
12 61|            symbolisent avec] simple substances. For all is a plenum (and
13 78| pre-established harmony between all substances, since they are all representations