"The fault, dear Brutus, is not in our stars, but in ourselves, that we are underlings."
Cassius says this line to Brutus when trying to convince him to kill Julius Caesar. Cassius is explaining that Caesar needs to be stopped before he rules Rome. Brutus knows Caesar's intentions. However, Brutus thinks of Caesar as a friend. This leaves Brutus with a tough decision. Cassius means that our actions are our own. They are not decided by fate or coincidence. Their decision not to try to remove Caesar from power sooner is the reason they are underlings. Additionally, their
John Green changes the wording because he sees how our fate affects our decisions. Hazel did not decide to have cancer. It was forced upon her. It was fate. Because she has cancer, some of her decisions are affected by it. Her choices are set to fit her limitations and also the drive to make the most of what she can do.
For example, Hazel's cancer led her to meet Augustus. Fate. The fault in Hazel's stars led her to what she considered to be a fault in herself. She got close too Augustus and is now scared she will hurt him when she passes away.
