28 APHORISMS AND REFLECTIONS 



don't have, at the back of your minds, the change for 

 words in definite images which can only be acquired 

 through the operation of your observing faculties on 

 the phenomena of nature. 



The saying that a little knowledge is a dangerous 

 thing is, to my mind, a very dangerous adage. If 

 knowledge is real and genuine, I do not believe that 

 it is other than a very valuable possession, however 

 infinitesimal its quantity may be. Indeed, if a little 

 knowledge is dangerous, where is the man who has 

 so much as to be out of danger ? 



Patience and tenacity of purpose are worth more 

 than twice their weight of cleverness. 



The body is a machine of the nature of an army. 

 .... Of this army each cell is a soldier, an organ 

 a brigade, the central nervous system headquarters 

 and field telegraph, the alimentary and circulatory 

 system the commissariat. Losses are made good by 

 recruits born in camp, and the life of the individual is 

 a campaign, conducted successfully for a number 

 of years, but with certain defeat in the long run. 



So far as the laws of conduct are determined by 

 the intellect, I apprehend that they belong to science, 

 and to that part of science which is called morality. 

 But the engagement of the affections in favour of that 



