I.] ADVISABLENESS OF IMPROVING NATURAL KNOWLEDGE. ID 



older ; if that spirit bo fated, as I believe it is, to 

 extend itself into all departments of human thought, and 

 to become co-extensive with the range of knowledge ; if, 

 as our race approaches its maturity, it discovers, as I be- 

 lieve it will, that there is but one kind of knowledge and 

 but one method of acquiring it ; then we, who are still 

 children, may justly feel it our highest duty to recognise 

 the advisableness of improving natural knowledge, and 

 so to aid ourselves and our successors in their course 

 towards the noble goal which lies before mankind. 



