1. A cheerful personality can not only keep yourself in a happy mood, but also infect the people around you, making them feel that life is full of harmony and light. ——Roland

2. Since there are black spots on the sun, it is even more impossible for "things in the world" to be without flaws. ——Chernyshevsky

3. Sports and exercise can improve human health and optimism, and optimism is a necessary condition for longevity. ——Lepeshinskaya

4. I will not lock the door to my senses when the beautiful scenery, pleasant sounds and fragrant fragrance bring me pleasure. ——Tagore

5. The so-called inner happiness is the happiness that a person feels when he lives a sound, normal and harmonious life. ——Romain Rolland

6. Art is an embellishment of life and a temptation leading to life. ——Tolstoy

7. Only by enduring hardship can we gain true joy. ——Tagore

8. All worries have been eliminated, all burdens have been lifted, and I can’t help but feel satisfied for a moment. It’s like having a big stone removed from my heart. ——Mark Twain

9. Happiness does not lie in things, but in ourselves.

——Richard Wagner