Read it through once

“These are all very strange circumstances,” said Mr. Utterson, “but I think I begin to see daylight. Your master, Poole, is plainly seized with one of those maladies that both torture and deform the sufferer; hence, for aught I know, the alteration of his voice; hence the mask and the avoidance of his friends; hence his eagerness to find this drug, by means of which the poor soul retains some hope of ultimate recovery—God grant that he be not deceived! There is my explanation; it is sad enough, Poole, ay, and appalling to consider; but it is plain and natural, hangs well together, and delivers us from all exorbitant alarms.”