What villains or treacherous people should you be careful about around you?

As the saying goes, “You must not have the intention of harming others, and you must have the intention of guarding against others. The deepest chasm will eventually sink, only the human heart is unpredictable.” In this complex society, you cannot be malicious, but you must also know how to understand. Be on guard, because people are unpredictable and there will be many unknown dangers happening. Just like the fable of the farmer and the snake, your kindness may not always be well rewarded, and may even lead to death. The relationship between people is a long-term, two-way relationship. Some people will hurt others at all costs for their own benefit, and climb up by stepping on the shoulders of others. It is difficult to understand the human heart. In this society full of interests and competition, having a defensive mind is a great wisdom in life. In the process of interacting with people, which villains or treacherous people should you be careful about around you? Today, let’s take a look at it through testing!