Changes

The term "[[act]]" does not merely simply refer to "[[act|behavior]]" (that of all [[nature|animals]]). The "[[act]]" is distinct from mere [[act|behavior]] (that of all '''[[nature|animals]]''') in that the "[[act]]" is a [[act|human act]], "since to our [[knowledge]] there is no other [[act]] but the [[human]] one. The "[[act]]" differs from mere [[act|behavior]] (that of all [[nature|animals]])