If anything, the administration's five-year forecasts have usually proven overly optimistic.

But analysts say the administration expectations may prove optimistic.

These, of course, are the manufacturers' suggestions, which in practice can prove optimistic.

In difficult times, forecasts can prove wildly optimistic and numbers start looking ugly really quickly.

Some expected rents to rise at a rate that proved too optimistic.

Should the forecasts prove optimistic, the Government would expect a rise in the deficit.

Its leaders have proven overly optimistic about their ability to raise money, all of which must come from private sources.

Assumptions about the rising value of housing that were accepted in the mid-1980's have proved far too optimistic.

But, if recent history is any guide, the projections will prove overly optimistic.

Of course, even that less-than-sanguine view may prove too optimistic.