1. Happiness does not depend on external causes, but depends on our attitude towards external causes. A person who is used to hard work cannot be unhappy. ——Leo Tolstoy

2. Leading cadres should be people who can truly endure hardship. ——Shiguang Toshio

3. Do you want to be a happy person? I hope you learn to bear hardships first. ——Turgenev

4. Only by enduring hardship can one become a master.

5. Only those who are able to suffer are lofty ideals; those who are willing to endure hardship are not idiots. ——"Collection of Maxims"

6. We usually say "study hard and practice hard". Bitterness does not mean "stupid", but means: when practicing Qigong, firstly, don't be afraid of suffering; secondly, think hard. ——Gai Jietian

7. It is better to endure hardships due to youth than to suffer poverty due to old age. —— "Motto of Family Governance"

8. There is a road to the mountain of books, and diligence is the path, and there is no limit to the sea of ??learning, and hard work is the boat.

——Han Yu, a writer of the Tang Dynasty