OF COMMON MATTER. 



175 



tion, and the cohesion of bodies. The princi- 

 ples are not to be considered as occult qualities, 

 supposed the result from the specific form of 

 things, but as grand laws of nature, by which 

 the things themselves are formed ; the truth ap- 

 pearing to us by phenomena, though the cause 

 is not yet discovered." 



