104 



Industrial and Material Progress. 



than the good. We cannot prevent the perversion of blessings by the 

 evil disposed, but we need not deny ourselves the comfort of them for 

 that. Six months after the introduction of chloroform, it was used 

 for stealing hogs, but we cannot give up the blessing of ansesthesia 

 because thieves have used it. Neither can we give up the good to be 

 got from the improved methods of travel and communication because 

 bad men use them. 



