If the original text is poor, it will be changed, and if it is changed, it will pass. The general law is long-lasting.

Source: Zhouyi, Under the Cohesion

Things will change to the extreme, and if they change, they will not stop the wrong development.

It shows that when we are faced with underdevelopment, we must change the status quo and carry out reform and revolution.

This sentence is the birthplace of China and ancient naive materialism thought. It means that things change with time regardless of people's will. China's more simple people, however, picked out two words from this sentence, expressing a more pragmatic meaning. That is, the words "change" and "communication". Together, it is "elasticity". The word "flexibility" is still very common at present. People don't have to cling to things.