which they were at first the most eager. This is the wonted Constitution
of _great Wits_; such tender things are those exalted Actions of the
Mind; and so hard it is for those Imaginations, that can run swift and
mighty Races, to be able to travel a long and constant Journey. The
Effects of this Infirmity have been so remarkable, that we have
certianly lost very many Inventions, after they have been in part
fashion'd, by the meer _Languishing_ and _Negligence_ of their
_Authors_.