Cultural Bias or Established Fact…How do you Know?

When it comes down to it, I don’t know, you don’t know and nor probably does he or she. Some people do know some things but not other things, but where do we find the people who know what we want to know and who are willing to tell us - truthfully? And, how do we know that what we think we know is not simply our cultural bias?

Sorry to sound like a bad r…