No matter how well you know the area that you're speaking about, there
always will be someone who is proud to know more and may potentially
call you "fool".
No matter how poorly you know that area, there always will be someone
who is proud to know even less and may potentially call you
If you're afraid of being offended by those two types of people, the
best suggestion I have for you is to glue your mouth with duct tape and
never say a single meaningful word ever again.