One dictum I had learned on the battlefields of France in a far distant war: You cannot save the world, but you might save the man in front of you, if you work fast enough.
Diana Gabaldon (2015). “The Outlander Series Bundle: Books 1, 2, 3, and 4: Outlander, Dragonfly in Amber, Voyager, Drums of Autumn”, p.1761, Delacorte Press