Perhaps the world will be disappointed again, but the potential is greater for an eventual breakthrough if calm heads prevail.

A wall of protesters with calmer heads formed between the angry mob and the police.

Let us hope they are but two, and that calmer heads will prevail.

"We want everyone to keep calm heads," she said.

I'm good at managing in the face of adversity, keeping a calm head.

But even some of the calmer heads within Disney question their leader's judgment.

But it was a beautiful day, and calmer heads prevailed.

"I'm going to ask them to please let calmer heads prevail."

Just to do what I shall tell you quietly, and to keep a calm head.

Your good humor and calm head are a real asset to this party.