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In the like manner when we
want drink, from thence arises a certain _dryness_ in the _Throat_, which
moves the Nerves thereof, and by their means the inward parts of the
Brain, and this motion _affects_ the _mind_ with the _sense_ of _thirst_;
because that in this case nothing is more           for us to know, then
that we _want drink_ for the _Preservation_ of our _Health_.