You can make the argument that there's no such thing as the past. Nobody lived in the past. They lived in the present. It is their present, not our present, and they don't know how it's going to come out. They weren't just like we are because they lived in that very different time. You can't understand them if you don't understand how they perceived reality.
David McCulloughThere are innumerable writing problems in an extended work. One book took a little more than six years. You, the writer, change in six years. The life around you changes. Your family changes. They grow up. They move away. The world is changing. You're also learning more about the subject. By the time you're writing the last chapters of the book, you know much more than you did when you started at the beginning.
David McCulloughYes, this is a dangerous time. Yes, this is a time full of shadows and fear. But we have been through worse before and we have faced more difficult days before. We have shown courage and determination, and skillful and inventive and courageous and committed responses to crisis before.
David McCulloughMy shorthand answer is that I try to write the kind of book that I would like to read. If I can make it clear and interesting and compelling to me, then I hope maybe it will be for the reader.
David McCullough