This document provides an analysis of key themes and elements in the play Doctor Faustus by Christopher Marlowe. It discusses Faustus' thirst for knowledge and how it leads him to make a pact with Mephastophilis. It also examines Faustus' pride, arrogance, and lack of self-knowledge as contributing to his downfall. The document analyzes the role of the Good Angel and Evil Angel who appear to Faustus, representing his conscience warring with temptation. Finally, it discusses the appearance of the Old Man later in the play who appeals to Faustus' humanity.