SEX BIOLOGY AND PSYCHOLOGY 165 



writers say in their few words what I should say 

 much worse in many. 



Wordsworth's ' sense sublime of something far 

 more deeply interfused ' opens a window on to the 

 general process of sublimation : and Blake's descrip- 

 tion of the physical union of the sexes as * that . . . 

 on which the soul expands her wing ' is an epitome 

 of a particular aspect of our particular problem. 

 Or again, when St. Paul says * Am I not free ? ' or 

 * All things are lawful unto me,' he means that by 

 subordinating all sides of himself to his highest ideals, 

 he has reached that state in which what he does 

 is right to him because he only wants to do what is 

 right. (True that, as he himself confesses, he is 

 not always able to keep in that state : but when he is 

 in it, he attains that complete freedom which is the 

 subordination of lower to higher desire.) 



Physiologically speaking, the activation of the sex 

 instinct, when the connection is made in this way, 

 arouses the higher centres, and these react upon the 

 centres connected with the sex instinct, modifying 

 their mode of action. The nett result is thus that 

 both act simultaneously to produce a single whole of 

 a new type. Processes of this nature are common 

 in the nervous system, as has been shown for instance 

 by Hughlings Jackson, Head, and Rivers. ^ 



Thus the higher, dominant parts of the mind are 

 strengthened by their connection with such lower 

 * See Rivers, '20, chs. iv., xviii. 



