THE NEWTONIAN PHILOSOPHY. 513 



of the Dodor's gives a very good reafon why Mind cannot a£l upon 

 body in the fame manner that body does, namely, becaufe body adls 

 upon body by its furface; for it is only by the furface that body can 

 touch body ; and, as I have faid, it is only by conta»5t that body can ope- 

 rate; and he perfedly agrees with my notion, that Mind is the moving 

 principle of bodies that gravitate towards each other. But, if it were 

 impoffible for us to give any account at all how Mind moves body, we 

 ought not therefore to deny the fad, of which we have the cleareft e- 

 vidence that we can have of any thing — confcioufnefs : And, to pre- 

 tend that we can account for every thing that happens in Nature, is 

 neither more^ nor lefs than to pretend to know all the fecrets of the 

 Almighty; one of the greateft of which is that wonderful manner in 

 ^vhich he has joined together two things of natures fo very different 

 as Mind and Body, with fuch a clofe and intimate union. 



I fhall only further obferve on this head, that, with refpecl to the 

 motion of Body by Mind, there appears to be a difference betwixt or- 

 ganized and unorganized body : For, upon organized body, it is evi- 

 dent that Mind operates by certain organs ; whereas, upon unor- 

 ganized body, it appears to operate more immediately, without the 

 intervention of any organs ; fo that, however extraordinary the afTer- 

 tion may feem, I hold it to be true, that the adion of Mind, in a 

 ftone falling, is more obvious, becaufe more immediate, than in the ac- 

 tions of our bodies. 



Having thus laid down the diftindion betwixt the two motive 

 powers, and their different manners of ading, I proceed to apply this 

 diftin£tion to the quellion in hand. And, in the Jirjl place, 1 admit 

 that, when body is moved in a circle by body, the motion muff of ne- 

 ceflity be combined in the manner that Sir Ifaac fays the motion of 

 the planets is combined ; for I have no idea, nor do I believe that 

 any other man has, of any body moving another body otherwife than 



Ttt in 



