And speaking of this wonderful machine:[840] I’m....

“ And speaking of this wonderful machine:[840] I’m puzzled by the difference between, the kind Which goes on solely in the poet’s mind,A testing of performing words, while he,The other kind, much more decorous, whenHe’s in his study writing with a pen. In method B the hand supports the thought,The abstract battle is concretely fought.The pen stops in mid-air, then swoops to bar[850] A canceled sunset or restore a star,And thus it physically guides the phraseToward faint daylight through the inky maze. is agony! The brainIs soon enclosed in a steel cap of pain.A muse in overalls directs the drill Which grinds and which no effort of the willCan interrupt, while the automatonIs taking off what he has just put on Or walking briskly to the corner store [860] To buy the paper he has read before. ”

Vladimir Nabokov

From : Pale Fire