What is the implication of the sudden explosion of the office fish tank?

If you think there must be a moral, then whether the moral is good or bad depends on how you look at the problem.

I remember a saying in a story. In ancient times, there was a woman "xianggong" who went to catch the exam. In the evening, she dreamed of whose exam paper she and her husband would recite. The next day, she asked the fortune teller. A fortune teller said it was a bad omen, and they all recited the exam. You must have no chance; Another said that this is a good thing, which means that your "xianggong" is going to "turn over".