SUMMARY. 123 



In the next chapter I shall make some few remarks on the 

 probable steps and means by which the several mental and moral 

 faculties of man have been gradually evolved. That such evolu- 

 tion is at least possible, ought not to be denied, for we daily see 

 these faculties developing in every infant; and we may trace a 

 perfect gradation from the mind of an utter idiot, lower than 

 that of an animal low in the scale, to the mind of a Newton. 



