1. If you don't accumulate steps, you won't be able to travel thousands of miles; If you don't accumulate small streams, you can't make rivers and seas. -Xunzi

2. Don't lose heart, as long as you persevere, you will eventually get results. -Qian Xuesen

3. The will not to make any decision is not the will of reality; A man without character never makes a decision. -Hegel

4. Great things are not the size of strength, but how long they can last. -Johnson

5. The 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