Physicians attend to the business of physicians, and workmen handle the tools of workmen.
[Lat., Quod medicorum est
Promittunt medici, tractant fabrilia fabri.]
as the physicians say it happens in hectic fever, that in the beginning of the malady it is easy to cure but difficult to detect, but in the course of time, not having been either detected or treated in the beginning, it becomes easy to detect but difficult to cure