When we have nothing to worry about we are not doing much, and not doing much may supply us with plenty of future worries.
— Chinese Proverbs

Advice is the only commodity on the market where the supply always exceeds the demand.
Unknown supply quote

The job of the press is to encourage debate, not to supply the public with information.
— Christopher Lasch

As scarce as truth is, the supply has always been in excess of the demand.
— Josh Billings

Pop culture is not about depth. It's about marketing, supply and demand, consumerism.
— supply quotation by Trevor Dunn