2 APHORISMS AND REFLECTIONS 



No delusion is greater than the notion that 

 method and industry can make up for lack of mother- 

 wit, either in science or in practical life. 



Nothing great in science has ever been done by 

 men, whatever their powers, in whom the divine 

 afflatus of the truth-seeker was wanting. 



In science, as in art, and, as I believe, in every 

 other sphere of human activity, there may be wisdom 

 in a multitude of counsellors, but it is only in one or 

 two of them. 



VIII 



Nothing can be more incorrect than the assump- 

 tion one sometimes meets with, that physics has one 

 method, chemistry another, and biology a third. 



Anyone who is practically acquainted with scienti- 

 fic work is aware that those who refuse to go beyond 

 fact, rarely get as far as fact ; and anyone who has 

 studied the history of science knows that almost 

 every great step therein has been made by the 

 " anticipation of Nature." 



There are three great products of our time. . . . One 

 of these is that doctrine concerning the constitution of 



