I say I know this; I could prove it to your own conviction." He paused for a minute, and then added, "And as to accosting it, I dare not, I could not; when I see it I am powerless; I stand in the gaze of death, in the triumphant presence of infernal power and malignity. My strength, and faculties, and memory, all forsake me. O God, I fear, sir, you know not what you speak of. Mercy, mercy; heaven have pity on me!"