During the early 1960s, I decided to supplement research support for quantitative economic studies at Pennsylvania by selling econometric forecasts to private and public sector buyers. Lawrence Klein
Forecasts may tell you a great deal about the forecaster; they tell you nothing about the future. Warren Buffett
A potentially useful property of forecasts based on cointegration is that when extended some way ahead, the forecasts of the two series will form a constant ratio, as is expected by some asymptotic economic theory. Clive Granger
The affairs of this world are so shifting and depend on so many accidents, that it is hard to form any judgment concerning the future; nay, we see from experience that the forecasts even of the wise almost always turn out false. Francesco Guicciardini
My novels offer an extreme hypothesis which future events may disprove - or confirm. They're in the nature of long-range weather forecasts. J. G. Ballard
He that forecasts all perils will never sail the sea. Romanian Proverb