xv STKUGGLE WITH DISEASE 181 



he has had to conquer slowly for himself and the 

 battle is not yet won. It is a battle compared with 

 which the struggle with wild animals is as nothing. 

 Saul may have slain his thousands, but David has 

 slain his ten thousands. 



But just because the struggle has been so fierce, 



FIG. 42. Mildew, a fungus which causes a destructive disease 

 on the leaf and iruit of the vine. 



it has taught man much. We have already read 

 the little story of the great doctor who was prepared 

 to begin again the moment he found that his past 

 work had failed. In the struggle with plant 

 disease, also, a remedy must be found, and therefore 

 man must learn to reap success through failure. 

 While men and women and children are dying of 

 famine, others must be toiling to find a cure for 



