1) Only by working for the perfection of his contemporaries and their happiness can a man achieve his own perfection. Marx

2) The husband is both expensive and good, but he is not alone. (Bai Juyi)

3) Come with a heart and go without a blade of grass. (Tao Xingzhi)

4) People's happiness is my reward. (Madame Curie)

5) I think the best way to seek happiness in life is to respect labor. All pleasures can be obtained by labor, and all hardships can be freed by labor. Li Dazhao

6) If everyone is fair, the world will be peaceful; Everyone is selfish, and the world is in chaos. Liu E

7) Only human labor is sacred. Gorky

8) The most important thing in people's life is labor training. Without labor, there can be no normal life. Rousseau

9) There are some words of "once and for all", but there are very few things of "once and for all" ... Lu Xun

Only by devoting himself to society can we find out the meaning of that short and risky life.

life has been given to us, and we must devote ourselves to it in order to get it.