1. It is enough to know one thing in life, and the world should treat it with sympathy. ——Lu Xun

2. When the road is rough, draw your sword to help. ——Ma Zhiyuan

3. The best satisfaction is to satisfy others. ——La Bruyère

4. When you help others, you also help yourself. ——Rolf Waldo Emerson

5. When people help me, I will never forget it; when I help others, I won’t forget it. ——Hua Luogeng

6. You must remember to always happily give more to others and take less from others. ——Gorky

7. People should be helpful. Although lotus flowers are good, they still need the support of green leaves. A fence needs three stakes, and a good man needs three gangs. ——Mao Zedong