This sentence of Tian Xingjian comes from Zhouyi: "Tian Xingjian, a gentleman strives for self-improvement" and "the terrain is vast, and a gentleman carries things with morality". It means that celestial bodies are strong and healthy, and accordingly, a gentleman should be resolute and tenacious, eager to be strong; The earth is thick and slippery, and the gentleman is good at accommodating everything.

This sentence was later used as Tsinghua University's school motto. Metaphorically, a gentleman should run like the universe and keep working hard. Even if there are more difficulties and obstacles, he should be indomitable and indomitable. Treating people with a scale, just like the earth, can carry everything in the world.

Zhouyi is one of the Confucian classics, the theoretical source of China's traditional thought and culture, and the crystallization of Chinese national thought and wisdom. Zhouyi is known as "the source of the avenue". Its content is extremely rich, which has had a far-reaching impact on China's politics, economy, culture and other fields for thousands of years.