LECTURE V. 221 



phsenomena of the constant supply of blood 

 to every part, and the building up and re- 

 pairing the structure of the body, must have 

 appeared to him so curious and wonderful, 

 as to induce him to admit nothing upon the 

 authority of others, and to examine every 

 fact for himself. 



Though I now engage in a subject which 

 more especially I have a right to discuss, as 

 it relates to human anatomy, yet I must not 

 weary you by detailing facts familiarly 

 known, or proving propositions which are 

 generally admitted. Were I also to advert 

 to the doctrines of others, I should have to 

 collate asserted facts and opinions, irrecon- 

 cilable with one another, and to engage in 

 controversial discussion ; yet why should I 

 bandy about the ball of controversy, wast- 

 ing both my own labour and your time, if 

 I know I must let it fall at the conclusion, 

 just where I took it up at the beginning ? 

 It seems best for a lecturer simply to say 

 what he thinks, and why he thinks it, be- 

 cause it is the only way in which he can 

 feel, and consequently create an interest in 



