116     The issues of the old-school do something similar; as artificial ulcers on external parts, they silence some internal chronic diseases, but only for a very short time, as long as they cause a painful irritation to which the sick organism is not used, without being able to cure them; but, on the other hand, they weaken and destroy the general health much more than is done by most of the metastases effected by the instinctive vital force.