Without change something sleeps inside us and seldom awakens. The sleeper must awaken.
To attempt seeing Truth without knowing Falsehood. It is the attempt to see...
You do have to change things as warfare changes.
I tend to start at 9 o'clock in the morning and write until 3. Those are my best hours. They fit the other rhythms of the world. So I write for six hours pretty much without any breaks.