There 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 McCulloughThere are people who are trying to write history for the general reader who can be quite tedious. That said, I do feel in my heart of hearts that if history isn't well written, it isn't going to be read, and if it isn't read it's going to die.
David McCulloughDevelop and protect a moral sensibility and demonstrate the character to apply it. Dream big. Work hard. Think for yourself. Love everything you love, everyone you love, with all your might. And do so, please, with a sense of urgency, for every tick of the clock subtracts from fewer and fewer...
David McCullough