Dad could be wrong, and the great historians Carlyle and Macaulay and Trevelyn could be wrong, but from the ashes of their dispute I could construct a world to live in. In knowing the ground was not ground at all, I hoped I could stand on it.

This quotation occurs in Chapter 28, when Tara is first at Cambridge and announces her plan to study historiography (the study of history and historians). Tara has grown up in a family with clear narratives she is expected to believe in, and her father always presents his beliefs with total certainty. Part of why Tara grows apart from her family and becomes interested in getting an education is because she always has a sense that reality is more complex than her father has taught her.