A moment later she had realized how mad the idea was.

Although it was a mad idea, we all took hold of the rough and icy metal.

Perhaps it is no more than a mad idea born out of pain.

A month ago it was just a mad idea.

"A lot of mad ideas come into my head," he says with a chuckle.

I had a mad idea that she would be there.

I had a mad idea and acted on it without considering its wisdom.

The old woman suddenly wheeled like she had some mad idea about holding us off.

A mad idea; its wrath would descend on him for sure then.

I then had the first of the mad ideas that helped to save our lives.