C 122 3 



might fuppofe. No man voluntarily fre- 

 quents hofpitals and fick rooms, as he does 

 woods and rivers, and all the parts of land- 

 fcape ; yet every man would do well to know 

 enough of the general effect of drugs, and 

 of their particular effect on his habit, to 

 guard againfl the hafty decifion of, perhaps, 

 an able phyfician, but who has neither the 

 fame opportunities of ftudying the conftitu- 

 tion of his patient, nor the fame motives for 

 ftudying it. This will be very readily ap- 

 plied to the other art. 



All quackery, I allow to be bad, in either 

 of the arts, and much fhould in both be left 

 to nature; but he who quacks himfelf, has 

 an extreme intereft in his patient, and will 

 be afraid of violent remedies; not fo the 

 bold empyric, who undertakes to improve a 

 place, or a conftitution. As you have ftarted 

 the idea of this illuftration, I will carry it on 

 a little farther. Many places, like many 



con- 



