ISO ESSAYS AND OBSERVATIONS 



being whatfbever ? If this fhall be 

 maintained, another quellion will arife. 

 By what a<5lions, or what llronger lan- 

 guage thaa this, can any man convince 

 his neighbour of his own reafon or un- 

 derflanding ? It ia prefumed, that a high- 

 er degree of evidence will hardly be re- 

 quired in phyfical matters, than what 

 we have for the life and exiflence of one 

 another : The voice of nature as loudly 

 declares the origin of gravity, that ruling 

 principle which binds the parts of the 

 fyftem together. From the circumftances 

 obfervable in the apparent mutual ten* 

 dency of bodies, we are naturally led to 

 conclude, that gravitation is the effe«fl of 

 the continued and regular operation of 

 fome other being upon matter ; and that 

 bodies are either drawn or {welled toge^ 

 ther by fomething external. A power fo 

 conftant, fo regular, and withal fo uni- 

 formly varied and diverfified according to 

 different circumftances, can proceed from 

 nothing but an intelligent caufe, either 

 mediately or immediately exerted upon 

 bodies. 



When 



