"Edie thought Joan was the most intelligent girl she had ever met. She had an independent mind, always questioning what anyone said, including her teachers at Barnard. In one of her marginal notes in her copy of Marx's Capital and Other Writings, there are echoes of Burroughs's thinking: "Maybe Marxism is dynamic and optimistic, and Freudianism is not. Is one more serviceable than the other? Why does it always have to be either/or?"