Once people sense inflation is slipping out of control, changes in expectations can quickly become self-fulfilling.

ECONOMIST: The global economy

Bush remarked to his father during the summer that the trickiest part of the job was keeping expectations under control.

CNN: Who chose George?

Yesterday, Pfizer and Schering-Plough both released earnings that exceeded the expectations of Wall Street analysts, but company control of costs had a great deal to do with these companies' strong performance.

FORBES: Magazine Article

Once you leave the comfort of your home, whether or not other people will conform to your expectations on various types of etiquette is out of your control.

CNN: Rate your office etiquette

That is what our expectations are of net gains, but we're having, we're looking to keep control of councils, because we won so many last time round, and we're therefore looking to see as many councillors as possible in.

BBC: IAIN DUNCAN SMITH, MP CONSERVATIVE PARTY LEADER

These statements are not guarantees of the future performance of Activision Publishing or Activision Blizzard and are subject to risks, uncertainties and other factors, some of which are beyond its control and may cause actual results to differ materially from current expectations.

ENGADGET: Angry Birds Trilogy flutters to Wii / Wii U in celebration of one million sold

The central bank's decision was in line with expectations, and the focus remained on its next meeting, which will take place after Haruhiko Kuroda has taken control of the bank.

WSJ: Nikkei Sets Fresh 2013 High