And so, when at length one reads straight ahead, falling into step, marching on, becoming (so it seems) momentarily part of this rolling, imperturbable energy, which has driven darkness before it since Plato walked the Acropolis, it is impossible to see to the fire.
The dialogue draws to its close.

Plato's argument is done.

Plato's argument is stowed away in Jacob's mind, and for five minutes Jacob's mind continues alone, onwards, into the darkness.

Then, getting up, he parted the curtains, and saw, with astonishing clearness, how the Springetts opposite had gone to bed; how it rained; how the Jews and the foreign woman, at the end of the street, stood by the pillar-box, arguing.
Every time the door opened and fresh people came in, those already in the room shifted slightly; those who were standing looked over their shoulders; those who were sitting stopped in the middle of sentences.
What with the light, the wine, the strumming of a guitar, something exciting happened each time the door opened.

Who was coming in?
"That's Gibson." "The painter ?" "But go on with what you were saying." They were saying something that was far, far too intimate to be said outright.