1. The value of life is measured by people’s contribution to society. ——Xiang Jingyu

2. I have nothing else to offer, only hard work, tears and blood and sweat. ——Churchill

3. The life given by God is to be dedicated to the prosperity, peace and happiness of mankind. ——Konosuke Matsushita

4. If one day, I can contribute to the interests of my public, I will consider myself the happiest person in the world. ——Gogol

5. If you want to love your own value, you have to create value for the world. ——Goethe

6. The doctrine that made him devote himself to its early realization will not be affected by the establishment of all laws and the destruction of laws, but will grow stronger and mature day by day - just like the earth. The seeds, no matter the cold in winter or the drought in summer, still dedicate their full grains to mankind. ——Pang Tuo Pidan

7. Peonies are so empty that they can be seen in the sky, while jujube flowers are small and strong. ——"Zengguang"

8. If we want to make friends, we must first do something for others - things that require time, energy, thoughtfulness and dedication to do. ——Carnegie

9. People need to have a heart to sacrifice their own selfish interests. ——Turgenev

10. You must remember to always happily give more to others and take less from others. ——Gorky

11. The whetstone sacrifices himself and gives the sharpness to the sword. ——Anonymous

12. Without the help of selfless and self-sacrificing maternal love, the child's soul will be a desert. ——Dickens

13. The roots buried in the ground make the branches produce fruits, but they do not ask for any compensation. ——Tagore

14. If a person only thinks about himself, then there will be more sad things than happy things in his life. ——Maming Sibyliak

15. Falling red is not a heartless thing, it turns into spring mud to protect the flowers. ——Gong Zizhen

16. Self-interested people are the first to perish. He lives by himself and for himself. If this "I" of his is damaged, he cannot survive. ——Ostrovsky