Know where the edge of your knowledge is — the boundary matters far more than the size of the circle.
You do not need a large circle. Almost all the damage comes from operating just outside a boundary you never bothered to locate.
Links
Typed edges. Anything below the line was authored on the other note and derived here.
supports →Weight opinions by believability — track records, not titles, decide whose view counts on a given question.Believability is domain-specific or it is nothing. The circle is the same claim stated from the inside: a track record transfers only within the boundary that produced it.