And this indefinite perception would continue to smother in its molten liquidity the motifs which now and then emerge, barely discernible, to plunge again and disappear and drown; recognised only by the particular kind of pleasure which they instil, impossible to describe, to recollect, to name; ineffable;—if our memory, like a labourer who toils at the laying down of firm foundations beneath the tumult of the waves, did not, by fashioning for us facsimiles of those fugitive phrases, enable us to compare and to contrast them with those that follow.