It means that things change with time regardless of people's will.
But the simple people in China picked out two words from this sentence, expressing a more pragmatic meaning. That is "change" and "communication". Together, it is "elasticity". The word flexibility is still very common at present. People don't have to delve into the dead end in difficulties, but should know how to bend and stretch.
China people should have a deep understanding of the word "flexibility". From "serving life" to "Han Xin's humiliation and stepping down", all these reflect the flexibility of foreigners.