The first is a period of calm, the last a time of waiting.

But they said the volcano would probably return to a long period of relative calm.

It is time, I believe, for a period of stability and calm.

Managers say what's needed now is a period of calm and a positive outlook.

It was thus that in periods of calm I had determined to act.

Now was a period of relative calm before a greater storm.

And I think basically what they would like to have now is a period of calm.

This led to a long period of relative calm in the front line, lasting until 1944.

In periods of social calm, answers may be easier to come by, at least within individual groups.

"We've had a period of calm for a few years, but I always thought we would see more trouble."