THE FOURTH DIMENSION 207 



proached through the Gateway of Memory. This is 

 what one might expect, for that entrance alone has 

 the requisite geometrical structure. You will recall 

 having heard, I am sure, how in the fourth dimension 

 a person may go in and out of a locked room at his 

 pleasure with bolts and bars untouched. Broad and 

 open as is this Gate of Memory, when you pass its 

 portals the wall closes behind you ; there is no visible 

 opening to mark the spot of your entry. A feeling 

 of detachment comes over you. This is augmented 

 by the burst of light and colour that flashes across 

 the field of your vision, and for the first time you un- 

 derstand the purport of those " banners yellow, 

 glorious, golden," which " do float and flow." They 

 seem to bear you on breezes of their own creating to 

 the freedom of outer spaces. What you had taken 

 for the flauntings of festivity are become the heralds 

 of hyperspace. 



As you wend your way down the Avenue of Time 

 you feel an inexpressive lightness, a sensation of be- 

 ing lifted out of yourself. The moment is unique. 

 Things are unrelated. There is no concern of pro- 

 portion. The place is one of immediacy. You 

 wander from the ephemeral to the ephemeral. 

 " Time is," you say, in childish glee. And you 

 hasten to assemble images, as many and as disparate 

 as possible, believing that you are drinking life at its 

 fountain head. The outer world presents itself to 

 your consciousness in the form of facts in juxtaposi- 



