080 COMPARATIVE ANATOMY 



nective-tissue-ceirs growth. What particular factors, then, can be said 

 to explain modifications? We do not know. 



It is the province of science to press a problem further and further 

 back and thus raise more problems. There is, and can be, nothing abso- 

 lute about any scientific interpretation. 



The student, as does the average man, wants something definite, 

 something he can be sure of; but this is just what he cannot find in any 

 biological study; and, unless he can appreciate this and still love science 

 science is not for him. 



If he should nevertheless go into a scientific field such as medicine 

 or dentistry, he will be a practitioner who will ever seek and follow the 

 opinions of the least scientific and least trustworthy men, simply because 

 these speak with definiteness and absoluteness, albeit, likewise with ab- 

 surdity. 



