Frankenstein by Mary Shelly Chapter 20 Page 7

"Begone! I do break my promise; never will I create another like yourself, equal in deformity and wickedness."

"Slave, I before reasoned with you, but you have proved yourself unworthy of my condescension. Remember that I have power; you believe yourself miserable, but I can make you so wretched that the light of day will be hateful to you. You are my creator, but I am your master; obey!"

"The hour of my irresolution is past, and the period of your power is arrived. Your threats cannot move me to do an act of wickedness; but they confirm me in a determination of not creating you a companion in vice. Shall I, in cool blood, set loose upon the earth a daemon whose delight is in death and wretchedness? Begone! I am firm, and your words will only exasperate my rage."