1. Persisting in a great cause requires an unswerving spirit. ——Voltaire

2. The interests of the public and the welfare of mankind can make hateful work valuable. Only enlightened people can know the enthusiasm required to overcome difficulties. ——Anonymous

3. In the duel between hope and disappointment, if you hold it tightly with courage and determination, victory will definitely belong to hope. ——Pliny

4. All a person can do is to set a good example and have the courage to firmly uphold ethical beliefs in a gossipy society. ——Einstein

5. Since you expect a glorious and great life, you should start from today and rely on your own wisdom and perseverance to achieve success with unwavering determination and unswerving faith. Create happiness for you and mankind. ——Anonymous

6. The most terrifying enemy is the lack of strong belief. ——Romain Rolland

7. As long as you continue to work hard and strive unremittingly, there is nothing that cannot be conquered. ——Seneca

8. Neither the song of a beautiful woman, nor the barking of a hyena, nor the tears of a crocodile, nor the howling of a wolf, will shake me. ——Chapman

9. If you don’t memorize the book, you can memorize it if you read it carefully; if you don’t understand the meaning well, you can refine it by thinking carefully; but if you don’t establish your will, you will have no focus. ——Zhu Xi

10. Now that I have set foot on this road, nothing should prevent me from walking along this road. ——Kant

11. Be poor and strong, and never fall into the clouds. ——Wang Bo?

12. A discoverer, especially a young discoverer who is just starting out, needs courage to ignore the indifference and suspicion of others, to persist in his will to discover, and to continue his research. ——Beveridge

13. Once you choose the path of life, you must bravely go to the end and never look back. ——Zola

14. A determined person will find his way. ——Anonymous

15. If you have a strong will, you will defeat bad luck. ——Anonymous