238 AGE, GROWTH, AND DEATH 



discoveries. It has learned that there are sensations, 

 that they are interesting ; it will attend to them. You 

 all know how a baby of one month will stare ; the 

 eyes will be fastened upon some bright and interest- 

 ing object. At the end of a month the baby shows 

 evidences of having ideas and bringing them into 

 correlation, association, as one more correctly ex- 

 presses it, because already after one month, when held 

 in the proper position in the arms, it shows that it 

 expects to be fed. There is, then, already evidence 

 and trace of memory. At two months much more 

 has been achieved. The baby evidently learns to 

 expect things. It expects to be fed at certain times ; 

 it has made the great discovery of the existence of 

 time. And it has made the discovery of the existence 

 of space, for it will follow to some extent the bright 

 light ; it will hold its head in a certain position to 

 catch a sound apparently from one side ; or to see in 

 a certain direction. The sense of space and time in 

 the baby's mind is, of course, very imperfect, doubt- 

 less, at this time, but those two non-stuff realities 

 about which the metaphysicians discuss so much, the 

 two realities of existence which are not material, the 

 baby at this time has discovered. Perhaps, had some 

 great and wonderfully endowed person existed who 

 preserved the memory of his own psychological his- 

 tory, of his development during babyhood, we should 

 have been spared the gigantic efforts of the meta- 

 physicians to explain how the notions of space and 

 time arose. Without knowing how, the baby has ac- 



