Frankenstein by Mary Shelly Chapter 24 Page 48

author at once of my existence and of its unspeakable torments, dared to hope for happiness, that while he accumulated wretchedness and despair upon me he sought his own enjoyment in feelings and passions from the indulgence of which I was forever barred, then impotent envy and bitter indignation filled me with an insatiable thirst for vengeance.

I recollected my threat and resolved that it should be accomplished. I knew that I was preparing for myself a deadly torture, but I was the slave, not the master, of an impulse which I detested yet could not disobey. Yet when she died! Nay, then I was not miserable. I had cast off all feeling, subdued all anguish, to riot in the excess of my despair. Evil thenceforth became my good. Urged thus far, I had no choice but to adapt my nature to an element which I had willingly chosen.