2. Labor is the source of all knowledge. mould

All the good things that exist are the fruits of creation. -The Mill

4. Labor is an unavoidable obligation of everyone in society. -Rousseau

A perfect new person should be cultivated in labor and serve it. Irving

6. Manual labor is a great disinfectant to prevent all social viruses. Marx

7. Labor is the father of wealth, and land is the mother of wealth. William Petty

8. Work hard: Work is the most reliable wealth. -Lafontaine

9. Since ideas exist in labor, people must live by labor. -Suhomlinski

10. Labor is always the foundation of human life and the foundation of creating human cultural happiness. makarenko

1 1. I think the best fun in life always starts from scratch; It is made of two hands and a clever head. Juan Antoniode

12. I know what labor is: labor is the source of all happiness and all good things in the world. Gorky

13. Nothing is better than respecting labor. All happiness can be obtained through labor, and all hardships can be freed through labor. -Li Dazhao