When I become ashes, you will see my smile - Lu Xun This is a sentence in Mr. Lu Xun's "Tombstone Essay". This sentence embodies Mr. Lu Xun's evaluation of his life. No matter what he did, he did his duty with all his heart. Even if he left quietly, he would not leave any regrets, because he had already devoted himself to his most beloved cause. After giving everything he had, even if he lost his life, he would feel very gratified.