It is just because civilization is ever evolving, changing, and becoming more complicated, that experts find it so difficult to define it in explicit terms.
“For a long time, I didn't know what I wanted to be when I grew up. I was desperate to find something that fit me and I just decided that if I could organically make a professional living out of the things that interested me, then I would be a happy person.”
“Why - because as a oil and gas small business owner - I know if someone is not doing their job, they should not get paid. Again leadership by example.”