"Don't cry Lucy. Let's save those tears for when we win!" -Nastu Dragoneel
So this quote from Fairy Tail, comes from episode 159, when lucy goes up against Flare from Raven Tail, but she loses. When Nastu walks out onto the battle feild, Lucy is crying on the ground. But he looks down to her, and tells her those words. Because instead of tears of sadness, let cry tears of joy, for when we win.
-thatbookwormemily