1 82 "The Principles of Part IV. 



therefore, that its fimplicity will be a ftrong 

 proof of its truth. 



BUT whence thefe elective attractions 

 which move the whole ? Whence acquires 

 matter the power of acting without itfelf? 

 for that muft be the cafe, unlefs we fup- 

 pofe an endlefs chain of material agents. 

 Whence but from an immaterial being, 

 who, by his order, firfl fixed thefe proper- 

 ties to matter, and, by his immediate will, 

 conftantly fupports them in the fame tenor ? 

 Jt is on particles too minute for human 

 eyes, that the omnipotent hand chufes to 

 exert itfelf, and on their powers to erect 

 this beauteous fyflem. Hence the origin 

 of all motion, adhefipn, increaTe, and or- 

 ganifed matter, 



BUT as all individual forms were defign^ 

 ed to be. of finite duration, he eftablim- 

 ed other particles with repulfive powers, 

 and mixed the feeds of dnTolution with the 

 firft rudiments of organical life. 



