Philosophers of later times criticized Thomas Aquinas and considered his theory - "absence of goodness is not a thing" as "casuistics". Since "absence of something" is a thing, there is no doubt that "absence of goodness" is a thing and exists because "goodness" exists, so "absence of money" exists because money exists . Conclusion: It is transparent to conclude a syllogism: 1): the absence of money causes misfortune. 2): Money causes the absence of money. 3): Money causes misfortune. Further consideration: even though money brings so much bad luck, some might say that if we eliminated the existence of money, our life would be chaotic. However, humanity has never lived in a moneyless environment. Therefore, it is too difficult to determine people's living conditions by considering whether they possess the concept of money. However, the company seems to be doing well currently; it seems unnecessary to consider the justification for the existence of