They've deleted the worst examples of undue optimism and agreed to make deeper spending cuts.

"I call that the Clinton effect," he said, "and I think it's causing a lot of undue optimism in the wind."

Democratic leaders cautioned against undue optimism about the talks with the White House on cutting the budget.

"We were clearly the victims of undue optimism," Mr. Nye said.

He suspected the dominant divinity of shallowness and an undue optimism.

Those of us who from the beginning warned of undue optimism over Libya were ignored or ridiculed.

Gregory, it was you who told me that the surest way to death is undue optimism or undue pessimism.

A young soldier at the Ayosh crossroads cautioned against undue optimism.

"As your Majesty appears more inclined today to contemplate darkness than light, I shall make no further effort to inject with any undue optimism."

Markets get caught in self-perpetuating cycles of undue optimism and hysterical panic.