Question: Turtles All the Way Down is the first published work by John Green since what book whose title comes from "Julius Caesar"?
Sentence (from "The Fault in Our Stars"): The title is inspired by Act 1, Scene 2 of Shakespeare's play "Julius Caesar", in which the nobleman Cassius says to Brutus: "The fault, dear Brutus, is not in our stars, / But in ourselves, that we are underlings."
Relevant evidence: Yes