I looked, and had an acute pleasure in looking,--a precious yet poignant pleasure; pure gold, with a steely point of agony: a pleasure like what the thirst-perishing man might feel who knows the well to which he has crept is poisoned, yet stoops and drinks divine draughts nevertheless.
Charlotte Bronte, Emily Bronte, Anne Bronte (2009). “The Bronte Sisters: Three Novels: Jane Eyre; Wuthering Heights; and Agnes Grey (Penguin Classics Deluxe Edition)”, p.145, Penguin