We cannot know the totality of what others know.
<ul>
<li>Forgetting this and thinking in terms of &quot;what I know,&quot; there are &quot;things I know but the other person doesn&#39;t know,&quot; which leads to the misconception that &quot;I know better than he/she does.</li>
<li>But since this is a symmetrical relationship, it appears to be the same from the other side</li>
<li><img src="https://gyazo.com/d42fc30f9026aaa59efa35a4da687744/thumb/1000" alt="image"></li>
</ul>
Derived from
 - <a href="/en/Decisions%20supported%20by%20multiple%20perspectives%20of%20different%20observation%20ranges">Decisions supported by multiple perspectives of different observation ranges</a>
relevance
<ul>
<li>I think I&#39;ve painted a similar picture.
 - <a href="/en/A%20series%20of%20pictures%20of%20two%20people%20saying%20different%20things">A series of pictures of two people saying different things</a>
<ul>
<li>There it is.
 - <a href="/en/I%20know%20both%2C%20but%20the%20other%20person%20only%20knows%20one.">I know both, but the other person only knows one.</a></li>
</ul>
</li>
<li><a href="/en/Symmetry%20of%20Communication">Symmetry of Communication</a>
</li>
</ul>
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