I think it makes sense. In order to let some people who are not very smart understand this sentence completely, I will explain it in a simple way.

The original meaning of Teacher Guo’s words is that you should not talk too much about things that have nothing to do with you, because after all, you are an outsider and not a party involved. It's not that you need to analyze details and reason in various ways and then give pointers. It's really not necessary. Because you are not a person who is involved in it, it is impossible to really understand the details, so anything you say may be struck by lightning.

Some words are not problematic in themselves, and the person who said them is okay based on the context at the time, but there is a problem if they are used blindly. It's like being a bully who calls others "the bully" when he comes up. This makes people confused as to how to call a person who is really arguing so that he can understand that he is the one who is arguing.

Every sentence has its scope of application, and there is no one-size-fits-all statement. In fact, this sentence can be used everywhere for Gang Jing. You don't know the details, so if you try to persuade others to be generous, you will be struck by lightning. Then there is no need to comment, since no one knows the details anyway. This sentence is very useful and can be used anywhere. It is easy to be used by brainless people and easy to be liked. Therefore, it is the trump card of the gangsters. A sentence that can be said casually without thinking about it is equivalent to a nonsense sentence. This sentence was originally supposed to be used when a person is complaining about something, and when someone advises him to be generous, he can use it to retaliate.

The ability to think independently and analyze problems is very important. Don't blame anyone for misleading whom. With that level of intelligence, anyone can use a single sentence as a wise saying, because they don’t have a few complete sentences, so grabbing one sentence becomes a life-saving straw. At this level, if you don’t fall into this pit, you will fall into that pit.

To take a step back, you are an outsider, not a party involved. You are saying that others want to be liberal, and your words are so high-sounding. If something really happens to you, can you easily say let it go?