330 THE INVISIBLE WORLD 



The cure, too, is coming. Koch failed. Fried- 

 mann is on trial. Final success is near. 



By such means, no doubt, within fifty years the 

 people generally may become so well educated on 

 this subject, as to bring tuberculosis under com- 

 plete control. 



And if this, the most destructive of all diseases, 

 can be controlled in that time, certainly it would 

 seem all others can be. To this end other and suf- 

 ficient means will be invoked. 



Our public schools will soon take hold of this 

 work, teach the scholars the nature of these dis- 

 eases, how to prevent them, how to keep healthful. 

 Physical culture must come to the front. Every 

 scholar in school, every student in college, will be 

 so educated that he will know how to keep out 

 of disease as well as he knows how to keep out 

 of fire. In the near future, all teachers in our pub- 

 lic schools will be required to pass a rigid examina- 

 tion in bacteriology, especially in that part per- 

 taining to disease germs. 



Missionary .clubs will also, no doubt, be formed 

 in city and country, to reach those people directly 

 who cannot so easily be reached by other means, 

 to teach them cleanliness, sanitation, and how gen- 

 erally to avoid disease. 



Possibly the thousands of dollars now crossing 

 the ocean to change the religious belief of some 

 foreign people into some other religious belief will 

 be turned into channels of higher usefulness at 

 home, to enlighten the unenlightened in securing 



