''We always believe that changing our mind is an improvement, bringing a greater truthfulness to our dealings with the world and other people. It puts an end to vacillation, uncertainty, weak-mindedness. It seems to make us stronger and more mature. Well, we would think that, wouldn''t we?''In this engaging and erudite essay, critically acclaimed writer Julian Barnes explores what is involved when we change our minds: about words, about politics, about books; about memories, age and time.