How can I make sure I remember enough quotes to answer any question which may come up?

In literature exams, your analysis of a quote is far more important than the quote itself, for example in Hardy's novel Tess of the D'Urberville's a quote such as 'where was Tess' guardian angel?' is easily memorable and enables you to write on a number of aspects of the book. Although this quote may seem rather insignificant, it is the perfect set up to comment on ideas such as Hardy's narrator in relation to his protagonist, his questioning belief in God, Tess' fate, and perhaps even the reader's relationship with the narrator. It is far more useful to pick out a few small quotes which will be easy to remember, but can be applied to a number of contrasting themes and ideas depending on your analysis.