It's said that Yan Yuxi's uncle is over four hundred years old. If a pig lived to that age, it would become a spirit; he shouldn't be amazed by a single sentence. However, in reality, the information society is entirely different from the agrarian society.
In the internet era, over ninety percent of netizens know that what's free is the most expensive. But this realization comes from how many netizens and internet companies concluded it and how many people propagated it, which is why this notion is widely known.
However, in the Kunhao Plane, there's really no such saying. Even if someone realized it, it would be a family treasure, rarely passing down—it's an era of information blockade.
The more the uncle pondered, the more he found the words intriguing, "Strange, how could a mere Qi Refinement Realm cultivator understand this? Do you feel that the people around Mountain Master Feng... they all seem particularly odd?"
