On a major decision involving specialized matters beyond your own judgment, never listen to only one expert. Even if he is remarkably capable, even if his attitude is excellent, even if you have trusted him for years, you cannot rely on just one.
The reason is not incompetence. The reason is that you have no way of knowing when he is wrong. He speaks about things you cannot independently evaluate. You receive only an end result, not the process that produced it. Once a flawed conclusion is internally coherent enough, it arrives in your hands as the only truth.
One expert is a single source of information. Having only one source is the same as having none.
A friend of mine suffered from an illness for years. He stayed in treatment the entire time, but never improved. Later he changed doctors, and they pulled up his original medical scans together. The growth had been in the exact same spot years earlier, but no one had read it correctly back then.
Those years were not wasted because the condition was untreatable. They were wasted because no one saw it. At the second hospital, the new doctor offered an opinion directly opposite to the first, supported by arguments just as solid. Both conclusions seemed sound, leaving my friend uncertain about who was right, so he had to find a third doctor. If he had listened only to the first, those lost years would have been the full price he paid.
You might assume he simply ran into an incompetent doctor. He did not. Highly skilled people make mistakes. Courteous people make mistakes. People you have trusted for years make mistakes. None of those failures can be detected in advance.
The issue is not his character. The issue is that he operates without a second perspective to check his thinking. He does not know he is wrong, and you certainly cannot tell. The more authority he holds, the safer his error becomes.
Especially here in China, matters are never limited to what is written on the table. This is a relationship society, not a rule of law society. Many critical arrangements are concluded underneath the table.
The same rule carries different room for interpretation depending on whose hands it falls into, and people calibrate that room. Your signed contract may have no flaws, but depending on who executes it, the outcome can differ entirely.
You cannot know what sits behind him. He carries his own interests, his personal favors, pressures he cannot discuss openly, and preferences he may not even notice himself. Any of these can lead you in the wrong direction.
In China, self-protection and risk prevention are not signs of paranoia. They are standard operating equipment. An agreement written on paper is one matter. The risk landing squarely on you is another.
When one person serves as both your sole source of information and your sole executor, that structure itself is the risk. The risk does not lie in his personal character. It lies in the structure.
Another person I know faced a critical commercial dispute and hired three lawyers. Instead of dividing the dispute into three separate phases, he had all three examine the exact same strategy. He asked them to evaluate each other, reviewing whether a specific argument held up and whether a particular recommendation could actually work.
By having three professionals evaluate the same plan, competition emerged immediately. To prove they were more dependable than their peers, each lawyer put in extra effort. No one wanted to appear inadequate in front of the other two.
That dispute ended with an excellent outcome. He remarked afterward that if he had relied on only one lawyer, that lawyer might easily have been compromised by the other side. Buying off an unsupervised professional is straightforward. Buying off three individuals watching each other is far harder.
That suspicion may not always apply, but it highlights a crucial point. A professional does not need bad intentions. He only needs to go unchecked. The procedure comes down to three rules. Assign at least two people to any critical matter. Have them evaluate each other instead of splitting tasks into isolated chunks. Insist that every opinion be grounded in concrete judgments, and refuse to accept mere impressions.
Finding a second person comes with a trap. Instinct leads people to seek out someone who repeats what they already want to hear, which defeats the purpose of bringing in more voices. What actually works is finding someone whose position differs from yours, even someone who directly opposes your initial judgment.
This principle does not mean building defenses against everyone on every matter. The standard rests on a single test: whether you have a way out after things collapse. If a retreat path exists, this level of defense is unnecessary. If there is no retreat, one expert is far from enough.
By contrast, when the cost of trial and error is manageable, or in domains you understand yourself, you must step back and let people execute. Those who cannot distinguish between these two situations are not being prudent. They are confusing defensiveness with doing their work.
High-stakes decisions are not social gatherings. A social setting requires full trust. A major decision requires margin for error in the outcome. The cost of retaining an additional expert is money and time. The cost of following the wrong advice is your life, your enterprise, or your case.
This approach can sound like persecution mania. In a culture centered on personal relationships, others may even label you petty or distrustful.
Experts can be trusted, but you must never trust only one. You can hand over the work to an expert, but you cannot surrender the power of final judgment. When it comes to your own survival, always keep a backup.