Famous quotes about working hard are as follows:

1. Life is not suffering or enjoyment, but a career that we should fight for and persist to the end. ——Tocqueville.

2. If you want to succeed in anything, you must pay a price: struggle. ——Emerson.

3. No matter what you do, as long as you work hard, you will never fail. ——Newton.

4. Doing good deeds, receiving responsibility and persevering is the true nature of struggle. ——Balzac.

5. A person must work hard before he can achieve anything. ——Andersen.

6. Only such a person deserves life and freedom, if he fights for it every day. ——Goethe.

7. The pursuit and struggle for truth and knowledge is one of the highest human qualities. ——Einstein.

8. The happiest thing in the world is to fight for your ideals. ——Socrates.

9. If you work hard for a day, you can have a good night's sleep; if you work hard for a lifetime, you can have a happy sleep. --da Vinci.

10. The work is accomplished by hard work but neglected by play; the success is achieved by thinking but destroyed by casualness. ——Han Yu.

11. Only such a person deserves life and freedom, if he fights for it every day. ——Goethe.

12. Struggle to improve life is a respectable behavior. ——Mao Dun.

13. Intelligent qualifications, inner drive, diligent work attitude and perseverance are all conditions required for successful scientific research. ——Beveridge.

14. Struggle has been going on every day since the beginning of mankind. ——Sun Yat-sen.

15. Intelligence comes from diligence, and genius comes from accumulation. ——Hua Luogeng.