Our nation's energy policy is a matter of both national security and economic certainty.

Because, you see, I haven't really got any feeling of certainty about the matter.

For my part, I think we have the answer in terms of certainty.

Years of certainty suddenly all seemed to be called into question.

There is at least a greater sense of certainty about what will go where.

And he thought, with a kind of certainty, that she had seen him.

And the question is, how do you develop sort of greater certainty?

Which is the same thing as a tiny bit of certainty.

But there is no way to know with any kind of certainty who did it first.

It was a firm one and gave me a feeling of certainty.