394 A YEAR IN SCIENCE 



ability of each individual to use his brain, but in 

 order that the mind may act quickly and easily it must 

 be trained. Education gives this training. Through 

 it the brain not only obtains information, but it learns 

 how to act and grow stronger by use just as the 

 muscles do. Because we appreciate how important this 

 training of the mind is, each generation spends yearly 

 millions of dollars to educate the young people who 

 will make the men and women of the next generation. 



Care of nervous system. Mens sano in corpore sano, 

 a sound mind in a sound body, is just as true to-day 

 as it was hundreds of years ago w T hen the Greeks and 

 Romans excelled in physical and in mental development. 

 Everything which goes to build up a sound body also 

 builds up a sound mind. Plenty of exercise, fresh air, 

 work, rest, and sleep are all necessary for an active 

 brain. 



The great demands made upon our nervous systems 

 and the consequent need of care are well expressed in 

 the following quotation. Mr. Blount says: 



"The superiority of man to the lower animals is 

 most conspicuous in his nerve system. It is precisely 

 where civilized man is most developed that he breaks 

 down most easily. We live in what has been called an 

 age of nervous prostration. The speculator watching 

 the market, the society woman madly pursuing a pro- 

 gram, and the scholar striving for honors or promotion, 

 all are the frequent victims to the disease of the age. 

 We should learn to relax, to rest. Some time each day 



