There are varied origin stories for this expression, ranging from typesetting to barkeeping. A recent article in Forbes points towards the importance of what I call Personal Quotients. Even more vital to one’s success in life than IQ, are EQ (Emotional Quotient), MQ (Moral Quotient) and BQ (Body Quotient). I am resolved to strengthen all four.
To learn more, see http://finance.yahoo.com/news/intelligence-is-overrated–what-you-really-need-to-succeed.html