It brings possibility- and with possibility comes hope. [And that's enough for her to keep going, when she remembers it. It has to be.]

The phrase I spoke was not an idle reassurance, but a battle cry. The man who made it legend did so after he knew the battle he had fought had been lost. He was captured and subjected to great torments- and likely he knew he would be. Yet with each stroke of his axe, he shouted it- "day will come again."

[She sighs] I have lived far too long and seen far too much to believe in any manner of simple victory.