1. 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

2. Perseverance in a great cause requires an unswerving spirit. ——Voltaire?

3. Success does not depend on the size of your strength, but on how long you can persist. ——Johnson

4. Don’t lose confidence, as long as you persist, you will eventually achieve results. ——Qian Xuesen

5. Whoever has the will to go through untold hardships can achieve any goal. ——Menander

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

7. A discoverer, especially a fledgling young discoverer, needs courage to ignore the indifference and suspicion of others, to persist in his will to discover, and to continue his research. ——Beveridge

8. The most important reason why I can succeed in science is my love for science and my persistence in long-term exploration. ——Darwin