434 ESSAYS AND OBSERVATIONS 



fal gravity, becaufe pliilofopliers have hi* 

 therto attempted, in vain, to account for 

 it. If we miflake not the matter much, 

 the contrary has always been the opinion 

 of mankind, viz. that every well attefted 

 fa(5l is to be believed, although we are ig- 

 norant of its caufe, or cannot flisw the 

 particular way in which it happens. 



Enough, it may, perhaps, be thought 

 more than enough, has been faid, to fliew 

 that the flrength of lime-water is very 

 different, according to the different quan- 

 tities of water poured on quick-lime: 

 However, I muft be allowed to fay, that 

 this point, which has been difputed by my 

 good friend, is of that confequence, as to 

 deferve to be fully cleared up ; fince tq 

 fuch as drink lime-water, with a view to 

 the cure of the ftone, it is of no fmall im- 

 portance to know, how it may be prepa- 

 red, fo as to have the fureft and fpeediefi: 

 effeifts. And, as lime-water, injected into 

 the bladder, will undoubtedly diffolve a 

 ftone lodged there ; it is evident, that, af- 

 ter the bladder has been accuftomed to 

 the weaker lime-waters, or to thefe even 



foftened 



