Only a few brave scientists violated the taboo and speculated on life beyond Earth.

We don't speculate beyond that," Mr. Bates said, "but we'll continue to provide the best value and run specials like these.

For now, he said, he intended to serve his six-year term, but he would not speculate beyond 2009, when he will be 85.

So I'm not going to speculate or hypothecate beyond that.

Cashman would not speculate on Weaver's role beyond that.

"We are not going to speculate at this time as to motive beyond that," Mr. Suthers said.

It is virtually impossible to speculate about the illness' impact beyond Kentucky because data on it are not collected systematically.

Epicurus never speculated beyond the limits of experience.

Shortly thereafter, he went through a similar performance with the call back from Faxstellar, declining to speculate beyond the facts.

Speculating beyond its restrictive confines the box can be both: