In Scene 6, Robin, an ostler (a person who works with horses), has stolen one of Doctor Faustus's books of spells and intends to try his hand at conjuring
In Scene 6, a fellow ostler named Rafe comes to inform Robin that a gentleman requires their services, but Robin shoos him away with a warning that he is about to do something risky
In Scene 6, after Rafe sees the book, he remarks that Robin won't be able to read it & Rafe learns that he is holding a powerful book
In Scene 6, after some consideration and convincing, Robin & Rafe agree to continue in some conjuring