PHYSICAL AND LITERARY. 79 



Art. II. 



^07ne Remarks on the Laws of Motion^ and 

 the Inertia of Matter ; by ]on^ Stew- 

 art, M. D. Felloiv of the Royal Col- 

 lege of Phyficians^and Profejfor ofNatU" 

 ral Philofophy in the Univerfity o/* Edin- 

 burgh. 



THE laws of motion, as delivered by- 

 Sir Ifaac Newton, are all founded 

 on the fuppofition, that body of itfelf is 

 abfolutely inadive. And inactivity is 

 now commonly afcribed to matter as one 

 of its general properties : Body being de- 

 fined to be, whatever is extended, impene- 

 trable, divifible, moveable, and inadlive. 

 At the fame time, every one knows, that 

 aflive powers are continually employed 

 through all the parts of nature. The life 

 and motion of animals, the production 

 and growth of vegetables, the attractions 

 of gravitation and cohelion, with other 



inftances 



