Limiting beliefs are the operating formulas created by those unspoken rules.

FORBES: Get rid of the guilt

My view is that it's exactly that culture of unwritten conventions, unspoken rules, nods and winks that has got us into this trouble in the first place, and I've arrived at the conclusion that the Speaker must go.

BBC: The Speaker must go

It stems from a perception that you are somehow breaking unspoken rules, are not meeting some perceived standard or are just not good enough for the task at hand.

FORBES: Get rid of the guilt