1. Thinking is the self-talk of the soul. ——Plato

2. The development of the thinking world, in a sense, is the continuous getting rid of surprise. ——Einstein

3. Language is the carrier and important component of human culture; each language can express the world view, way of thinking, social characteristics, culture, history, etc. of the user's nation. They are all precious intangible heritage of mankind. ——Zhou Haizhong