One of the key principles of money is ‘opportunity cost.’ It means that when I buy something, I have to give up something else in return. We think we buy because we need something, but we often forget that we could buy something else instead. We rarely consider ‘opportunity cost’ when making a purchase. We do not compare other values against our needs. Buying something means giving up something else, but we often don’t realize it. When we spend money, we should also consider the ‘opportunity cost’; yet, in reality, we aren’t trained to do so. By making a purchase, we bypass the value comparison that may not offer any additional benefits. Maybe it’s because we lack knowledge, or perhaps the idea isn’t appealing. - Joseph’s “just my thoughts”
Expertise is not “to know only me,” but “to make understanding others to know with what only I know for.” It is not expertise if I cannot persuade others by overwhelming them with my things. The expertise that failed to convince and communicate is called “stubbornness”. “Collective intelligence” is the expertise that succeeds in persuasion and communication, and does not mean a stubbornness that enforces consensus. - Joseph’s “just my thoughts”