Concentration. 
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not practised can realize how swift and numerous 
our impressions are.  Under ordinary circums-
tances the great majority do not rise into con-
sciousness at all, for one is occupied with one 
main current of ideas.  But once the mind seeks to 
check all possible currents of ideas, the simple im-
pressions rise into the vacant space, which is fairly 
bombarded. 
4.  “ Into one wave all the wavelets ” is the Hindu 
equivalent for this.  El Baab, when the orthodox 
took him out to be shot, having dug holes in his 
skin and filled them with lighted bamboo-shoots 
dipped in wax, is said to have observed :  These are 
many flamelets, and will soon expire, but my soul 
is One Flame, and will not.  And there is a tale of 
an harlot, who retorted on some men who reviled 
her :  “ You are like the raindrops ;  but this my vul-
va is One Pool.”  They stoned her for the blasphe-
my.