"But when you get people operating beyond their normal boundaries, totally unpredictable things start to happen."

But optimism can be an unpredictable thing, with consequences of its own, other people say.

But strange and unpredictable things happen, especially in election years.

Erotic chemistry onstage, just as in life, is an unpredictable thing.

That is one of the unpredictable things about a war.

New York is always full of amazing and unpredictable things.

Much still depends on the most unpredictable thing: the weather.

"In general, I should say that we find unpredictable or novel things more interesting."

Two songs later though, a most unpredictable thing happened.

"When a scene starts to fly, unpredictable things start to happen."