The stable and effective functioning of systems—including language, cognition, and society—depends on tolerance for ambiguity, inaccuracy, and error, rather than the pursuit of absolute precision. This principle can be called the Principle of Tolerance for Ambiguity or the Tolerance Principle.

It appears in:

• Linguistics: Pragmatic tolerance and ambiguity allow people to reach understanding even with misunderstandings.
• Philosophy and cognition: Fuzzy logic, antifragility, and pragmatism focus on balance and practical results.
• Systems theory: Redundancy and flexible design protect systems from small errors.
• Cognitive science: Heuristics and meaning negotiation show that human thinking is naturally “good enough.”

Accepting imperfection gives systems resilience, adaptability, and vitality.

1. Linguistics: Communication works without perfect accuracy

The language we use every day is not black and white. Words like “tall,” “short,” and “about” have no absolute standards, but everyone understands them.

Many linguists agree: ambiguity is not a flaw in language—it is the key to smooth communication.

In daily conversation, we naturally accept small mistakes:

• If you agree to meet at 3:00, arriving at 3:05 is fine.
• Even if you mishear a word or two, communication works as long as the main idea and feeling are clear.

Small errors do not break communication. Only many accumulated mistakes cause problems.

Language is naturally a system that allows mistakes.

2. Philosophy and cognition: The world is not simply right or wrong

We used to think everything was true or false, but reality has many shades in between.

• Fuzzy logic: Many things are not simply 0 or 1, but somewhere in between.
• Antifragility: A good system does not avoid all errors, but becomes stronger through changes and mistakes.
• Pragmatism: A statement is useful not because it is precise, but because it helps us act and solve problems.

Even with small misunderstandings, communication is effective if people understand each other and move forward.

3. Systems and society: Leaving room makes systems stable

Systems that are too precise and rigid—whether machines, bodies, or societies—break easily.

Stable systems always have backup:

• Language has synonyms, tone, expressions, and context as backup information.
• If one part is misunderstood, other clues help restore the meaning.
• The Eastern idea of “moderation” and “good enough” is wisdom: not being overly strict leads to flexibility and adaptability.

Understanding others does not mean copying their thoughts exactly—it means grasping the main idea.

4. Cognitive science: Our brains aim for “good enough”

Our brains do not chase 100% precision. They aim for speed, efficiency, and adequacy.

• You do not need to understand every word, only the core message.
• Conversation is not data transmission; it is two people gradually aligning their understanding.
• It is okay if you do not understand at first; you can adjust as you talk.

This willingness to avoid absolute precision is what makes human communication flexible and alive.