If a writer stops observing he is finished. But he does not have to observe consciously nor think how it will be useful. Perhaps that would be true at the beginning. But later everything he sees goes into the great reserve of things he knows or has seen.

Don't do what you sincerely don't want to do. Never confuse movement with action.

We ate well and cheaply and drank well and cheaply and slept well and warm together and loved each other.

I was a little drunk. Not drunk in any positive sense but just enough to be careless.

There were many words that you could not stand to hear and finally only the names of places had dignity. Abstract words such as glory, honor, courage, or hallow were obscene.

Abstract words such as glory, honor, courage, or hallow were obscene beside the concrete names of villages, the numbers of roads, the names of rivers, the numbers of regiments and the dates.

The best way is always to stop when you are going good and when you know what will happen next. If you do that every day when you are writing a novel you will never be stuck. That is the most valuable thing I can tell you so try to remember it.