Lin Qiye picked up a piece of paper with only four rules on it. The first one: "Trust your roommate." The next three are all blacked out. He showed the note to his roommate, who smiled and said, "Don't believe it, it's fake." That night, the roommate began to violate the blacked-out rules one by one. And Lin Qiye finally saw the content of the fourth item clearly - "Don't trust anyone, including yourself."
Concept: Trust is the most easily tampered rule