514 ELEMENTARY BIOLOGY 



So far as the race as a whole is concerned, we have already solved 

 the urgent problems of producing the necessities of life. Without 

 extending our science beyond what we know to-day, we are in a 

 position to produce in abundance, and with a very small outlay of 

 human effort, all our food material and all the material needed for 

 our clothing and our dwellings, and for building cities and railroads 

 etc. The Great War has demonstrated our wonderful power and 

 resourcefulness in these respects. On the other hand, it has also 

 made clear our shortcomings. We need to know much more in order 

 to carry on the affairs of community life more effectively (the urgent 

 problems are problems of education, of crime and delinquency, and 

 of political adjustment of individuals and races), and, above all, in 

 order to distribute leisure so that each may live as human a life 

 as possible. 



