210 NATURE AND MAN. 



the place of theology, and sets up its own conception of the order 

 of Nature as a sufficient account of its cause, it is invading a 

 province of thought to which it has no claim, and not unreason 

 ably provokes the hostility of those who ought to be its best 

 friends. 



For whilst the deep-seated instincts of humanity, and the pro- 

 foundest researches of philosophy, alike point to mind as the one 

 and only source of power, it is the high prerogative of science to 

 demonstrate the unity of the power which is operating through the 

 limitless extent and variety of the universe, and to trace its con 

 tinuity through the vast series of ages that have been occupied 

 in its evolution. 



