96 THE ENGINES OF THE HUMAN BODY 



be felt to expand and then contract, why the body was 

 hot and how it was endowed with life. We may rest 

 assured that his hearers went their ways and remained 

 easy in mind when they applied the teaching of Padya in 

 the treatment of their patients. All except the quiet, 

 retiring Englishman. In the next chapter we shall see 

 how certain doubts arose in his mind and how, adopting 

 the methods of inquiry he had learned from Fabricius, 

 he discovered that the heart was a double pump designed 

 for driving the blood from arteries to veins and "thus 

 round and round the body. It was with Harvey, we 

 shall find, as with every great discoverer ; it is easier to 

 make a discovery than to succeed in convincing one's 

 fellowmen that one has been made. 



