1. Knowledge is the crystallization of precious gems, and culture is the luster of gems. ——Tagore

2. The fastest and slowest thing in the world, the longest and shortest thing, the most ordinary thing but the most precious thing, the most easily ignored thing and the most regrettable thing is time. ——Gorky

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