Mark Carney, Margaret Thatcher and Grant Shapps predictions
27 November 2012 Last updated at 13:44 GMT
Mark Carney is the latest in a list of high-profile figures to rule themselves out of a job - only to later accept it, or at least be linked to it.
George Osborne announced on Monday the new governor of the Bank of England, even through Mr Carney had told the BBC a few months previously that he did not want the job.
Archive footage reveals other people who who may not not want reminding of previous pledges over upcoming appointments that happened, or may still come true.