She was making the case that we should resist on principle, even though it might be futile. I had just begun trying to make the case for hope in writing, and I argued that you don't know if your actions are futile; that you don't have the memory of the future; that the future is indeed dark, which is the best thing it could be; and that, in the end, we always act in the dark. The effects of your actions may unfold in ways you cannot foresee or even imagine. They may unfold long after your death. That is when the words of so many writers often resonate most.