FAUSTUS. [Stabbing his arm.] Lo, Mephistophilis, for love of thee, I cut mine arm, and with my proper blood Assure my soul to be great Lucifer's, Chief lord and regent of perpetual night!
Christopher Marlowe (1994). “Dr. Faustus”, p.20, Courier Corporation
![FAUSTUS. [Stabbing his arm.] Lo, Mephistophilis, for love of thee, I cut mine arm, and with my proper blood Assure my soul to be great Lucifer's, Chief lord and regent of perpetual night!](http://cdn.quoteddaily.com/images/christopher-marlowe/faustus-stabbing-his-arm-lo-mephistophilis-for-love-of-thee-i-cut-mine-arm-and-with-my-proper-blood-assure.jpg)