1. God sets many obstacles on our way just to strengthen our will. ——India Tagore

2. I feel that the road ahead is smooth, so why should people not walk because of a small obstacle? ——Lu Xun, China

3. No matter when, no matter what, I will never allow myself to be a little bit discouraged. ——Edison, the United States

4. Although there are many sufferings in the world, suffering can always be overcome-Helen Keller, the United States

5. Fruits not only need sunlight; Cool night. Cold rain can ripen it. The molding of human character requires not only joy but also trials and difficulties. ——American Blake

6. Every tragedy creates heroes among ordinary people. ——American Stephens