THE SCIENCE OF HAPPINESS 



Ill-health no barrier to success- 

 ful productive effort, exam- 

 ples in evidence, p. 152. 



Illusions, possible, should be 

 subjected; to common-sense 

 tests, p. 142. 



Indigestion, how fostered in 

 America, p. 27. 



Individual, the, versus the race, 

 as regards the effects of suffer- 

 ing, p. 7. 

 adu; 



' ' Irresistible power of great 

 wealth," etc., quotation from 

 Epictetus as chapter-heading 

 for "Self -Knowledge," p. 133. 



Italian literature, its greatest 

 monuments produced in a sin- 

 gle epoch, p. 153. 

 It is easy in the world to live," 

 etc. Emerson, p. 241. 



Individual peculiarities as to 

 number of hours of sleep re- 

 quired, p. 70. 



Influence, mutual, of genius 

 upon genius, illustrated by 

 suggestive examples from va- 

 rious fields, pp. 153-4. 



Inherited ideas, advice as to their 

 close scrutiny, p. 1 1 7 seq. 



Inhibition of action, a chief 

 function of the will, p. 124. 



Initial energy, the great need of 

 the procrastinator, p. 149. 



Innovations, of the would-be 

 reformer, are usually found to 

 be of antique origin, p. 143. 



Insomnia, often the open door to 

 insanity, p. 61 ; practical expe- 

 dients for warding it off, p. 74 

 seq. 



Instability of will-power, its pen- 

 alties, with a familiar example, 

 p. 127 seq. 



Intellectual needs of different 

 minds met by different books, 

 p. 109. 



' ' Intending ' ' the mind , great dis- 

 coveries made through per- 

 sistent conscious effort in a 

 S'ven direction, examples of 

 ewton, Harvey, Jenner, and 

 Darwin, p. 112. 



Interest, the basis of attention, 

 which underlies and deter- 

 mines good memorizing, p. 89. 



Interest and repetition, cited as 

 the keys to memory-develop- 

 ment, p. 98. 



4 'In this case also the war is 

 against two enemies," etc. 

 Plato, p. 184. 



Intuitive knowledge, Beecher's 

 .seenuiig, explained, p. 103. 



[340] 



Jenner, Edward (1749-1823). 

 English physician, famous for 

 his demonstration of the pre- 

 ventive power of vaccination, 

 and hence one of the greatest 

 of benefactors of humanity; 

 his method explained, p. 106, 

 p. 112. 



Jortin, John (1698-1770), Eng- 

 lish church historian, charac- 

 terization of the evils of sud- 

 denly acquired wealth, pp. 

 186-87. 



Judgment, the all-importance of , 

 as a prerequisite to the proper 

 selection of materials for men- 

 tal pabulum, and to success in 

 practical life, p. 113 seq.; ad- 

 monitions as to its practical 

 cultivation, p. 114 seq.; differ- 

 entiated from volition, p. 126. 



Justice, Epicurus on, p. 10; the 

 practice of, connotes all the 

 virtues, p. 264 seq. 



Kant, Immanuel (17241804), 

 German philosopher; his syste- 

 matic habits of arising cited, 

 p. 131. 



King Discontent, the great mas- 

 ter-builder of civilization, p. 



'39- 

 Knowledge, seemingly intuitive, 



explained, p. 103; how to use 



that acquired from books, p. 



in seq. 

 Koran, the, learned by heart by 



the average Mohammedan, 



p. 94. 



Lamarck, Jean B. (1744-1829), 

 French biologist; the cham- 

 pion of evolution fifty years 

 before Darwin, p. 105. 



