1. Personal pain and happiness must be integrated into the pain and happiness of the times. —— Ai Qing

When you are happy, don't lose the virtue that makes you happy. Mo Luoa

It is not painful to die suddenly, but it is unbearable to be exhausted for a long time. anonymous

4. Blessed are those who have nothing, because they will get everything! -romain rolland

No matter how hard it is, the struggle for happiness is not a kind of pain, but happiness, not a tragedy, but just a play. Chernyshevski

6. Diligence is a magical thread, with which countless pearls of knowledge can be strung. zhen banqiao

7. Happiness, if it only belongs to me, the property of one of thousands of people, then get out! -belinsky