Clarence Page has a nice column on Po' vs. Broke in today's san jose mercury news, went to his home page for the link unfortunately you need to register (free) with the chicago tribune to access it.
http://www.chicagotribune.com/news/columnists/chi-clarencepage,1,939712.columnist?coll=chi-news-col&ctrack=1&cset=true
his dad said:
"Po' folks don't know when they're gonna eat again", he said. "I have a job. When I get paid, I won't be broke no mo'."
and Clarence says:
'Optimism or a lack of it separates the "po'", the long-term poor, from those who are "just broke".'