I would sort out all the arguments and see which belonged to fear and which to creativeness. Other things being equal, I would make the decision which had the larger number of creative reasons on its side.
“I must have done everything I had. You go through years where you go through everything you've ever written.”
“Time travel may be achieved one day, or it may not. But if it is, it should not require any fundamental change in world-view, at least for those who broadly share the world view I am presenting in this book.”