78 ESSAYS AND OBSERVATIONS 



ground and knowledge, to trace effetfts to 

 their caufes, and to difcover that many 

 different effedts proceed from the fame 

 caufe. To be dilTntisfied with fuch dif-* 

 coveries, merely becaufe of the poffibility 

 of other caufes Hill more general, is in 

 effe(5l to be diffatisfied with all knowledge 

 whatever ; becaufe, however far we pene- 

 trate, we never can be certain that we are 

 arrived at our journey's end. 



Art^ 



