But you never know: all these economic predictions might just turn out to be wrong.

BBC: Reasons to be cheerful - part three

All of these assumptions could turn out to be wrong, but probably not.

FORBES: Uncertainty and Risk Management: What to Do About Black Swans?

"The recent controversy with cot deaths has taught us that we should be aware of relying on science which may turn out to be wrong, " she says.

BBC: A BBC reporter tries out a conventional lie detector

The textbook examples turn out to be wrong.

BBC: Science & Environment

The numbers are small because they are the small residual of calculations involving some other, extremely large, numbers, over long time periods, subject to assumptions which will almost certainly turn out to be wrong, in one direction or another.

BBC: OBR report: Be aware, not afraid

Labour's lead is so large that, even if the opinion polls turn out to be as wrong as they were last time, and there is a late swing to the Tories, the Tories still look set to lose four seats, including those of Mr Forsyth and Malcolm Rifkind, the foreign secretary.

ECONOMIST: Scottish politics: Roast Tory | The

Life is messy: what looks right may be wrong, and what looks wrong may turn out to be, in the fullness of time, right.

FORBES: What Did You Know, and When Did You Stop Knowing It?