Chap. IV. A N 1' I £ N T METAPHYSICS. ^Gj 



H A P. IV. 



An Inquiry concerning the Principle ^Motion o/"/^^ Celeftial Bodies, 

 not concerning the Laws of their Motions. — 'The ^lejlion Jlatcd 

 concerning the Eternity of the World. — We can only judge of the 

 Motions in the Heavens by thofe on Earth. — Thofe can only be pro" 

 duced in one or other of three IVays. — The firft is by the Body Vo- 

 ving itfelf. — This Hypothejis exa?nined — -f/joivn that it confounds all 

 Diftin^ion betnveen Mind and Body, and has a Tendency to donvn- 

 right Atheifm. — 2d Hypothefis, That Bodies here are moved by 0- 

 ther Bodies. — This Mo'uement either by Trufion or Impulfe. — 

 Gravitation not to be accounted for in either of thefe Ways. — Of At- 

 tradion, and the abufe of that Word. — Of the Motion oj the Tides, 

 — not to be accoxinted for by Projedlion and Gravitation, nor other- 

 ivifcy except by Mind. — Of the third Motive Power on Earth, 

 viz. Mind. — All Animal Motion of this ^zW mediately or imme- 

 diately. — The manner of Mind moving Body. — The Motions of 

 Bodies toivards one another mutual. 



HAVING fliown, in the preceding Chapter, that Sir Ifaac's 

 firft Axiom, fo far as concerns Motion, is not; only not a ge- 

 neral Propofition, fuch as an Axiom ought to be, applicable to all 

 kinds of Motion, but is not true even of Motiort by Impulfe ; I pro- 

 ceed now to inquire concerning the Motion of the Celeftial Bodies, 

 on account of which, it is evident, that Sir Ifaac laid down this firft 

 Law of Motion. And it is not concerning the Laws of their Motion 

 that I am to inquire ; for thefe have been inveftigatedand difcovered 



with 



