What?

They don't know what they are doing.

They could be honest enough to loose themselves in their own thoughts.

Whenever they do know, so surely, they can't believe it's their own selves.


Even if, they strongly agree with themselves...they can be most of the time sure that they could be wrong in a brief future.


At some point a physiological explanation would fit, like in neurology.
At some point a psychological explanation would fit, like in psychology.
At some point a historical, a sociological, a cultural, a moral, an ethical, a...

One could actually picture it as a lack of rationality in a logical simple solution.
Other might just argue it is the dialectical nature of humankind.

To me...about human attitudes...

I didn't know.
I still don't know.
I probably won't know.