33 6 COORDINATION AND SENSATION 



for the welfare of others. On account of the ease with which 

 one individual may disturb the nervous state of another, those 

 social forms and customs which tend to establish harmoni- 

 ous relations among men are truly hygienic in their effects, 

 and may well be carried out in spirit as well as "in letter." 



It is also a fact that a given mental state in one person 

 tends to excite a like state in those with whom he asso- 

 ciates. How important, then, that each and all cultivate, 

 as habits, the qualities of cheerfulness, kindness, and 

 good-will, instead of the opposrte states of mind. Espe- 

 cially in the family, and other groups of closely associated 

 individuals, should the nervous effect of one member upon 

 the others be considered and every effort made to secure 

 and maintain harmonious relations. 



The High Ideal. Everything considered, the conditions 

 most favorable to the healthfulness of the nervous system 

 are in harmony with what our greatest teachers have 

 pointed to as the higher plane of living. On this account 

 a true conception of the value and meaning of life is of 

 the greatest importance. An ever present, strong desire to 

 live a vigorous, but simple and noble, life will suggest the 

 proper course to pursue when in doubt and -will stimulate 

 the power of self-control. It will lead to the stopping of 

 " nerve leaks " and to the maintenance of harmonious 

 relations with one's fellows. It will cause one to recoil 

 from the use of alcohol and other nerve poisons, as from 

 a deadly serpent, seeing the end in the beginning, and 

 will be the means eventually of leading the body into its 

 greatest accomplishments. 



Summary. The nervous system, on account of its 

 delicate structure, is liable to injury through wrong 

 methods of using it and also through the introduction of 

 drugs, or poisons, into the body. There are also found 



