"Two people who love each other, for a reason that is not to be together is also commonplace. It is not normal that we did not lose each other, not to lose each other because there are things in life can not be lost..." 

- Luu Quang Vu-

This is also through the author's ideas in this play as well as throughout the author's ideas - a man is always regarded as something sacred gratitude can not lose, can not be replaced

"Nothing is lost and no one is fallen into oblivion..."