Read it through once

‘Change it!’ exclaimed the Jew, exasperated beyond all bounds by his companion’s unexpected obstinacy, and the vexation of the night, ‘I _will_ change it! Listen to me, you drab. Listen to me, who with six words, can strangle Sikes as surely as if I had his bull’s throat between my fingers now. If he comes back, and leaves the boy behind him; if he gets off free, and dead or alive, fails to restore him to me; murder him yourself if you would have him escape Jack Ketch. And do it the moment he sets foot in this room, or mind me, it will be too late!’