38 BIOLOGY AND ITS MAKERS 



an appeal to authority, but by the method which he founded. 

 His great claim to renown is, not that his work outshone all 

 other work (that of Galen in particular) in accuracy and 

 brilliancy, but that he overthrew dependence on authority 

 and re-established the scientific method of ascertaining truth. 

 It was the method of Aristotle and Galen given anew to the 

 world. 



The spirit of progress was now released from bondage, 

 but we have still a long way to go under its guidance to reach 

 the gateway of modern biology. 



