In ‘The Bell Jar’ the theme of sanity vs insanity is apparent from the beginning of the novel. Esther does not feel she is out of place, but acknowledges this. She does not feel the excitement everyone else around her feels but instead that excitement makes her feel sick. ‘I felt very still and very empty, the way the eye of a tornado must feel, moving dully along in the middle of the surrounding hullabaloo.’ Right from the beginning of the novel we can see that Esther is slowly starting her journey