It was a stupid mistake, and maybe you won't want them to continue with me.

That's the kind of stupid mistake you just want to make sure no one's making.

Even when I made my other stupid mistake, she would have been able to take care of herself.

Nothing will happen to him unless he makes a very stupid mistake.

And had very likely made similar stupid mistakes because of it.

Because of the information it had to work with, the computer seemed to make a stupid mistake.

Someone in authority has made a stupid mistake, and so I am here.

How could I have ever made such a stupid mistake?

It was only a matter of time until he made a stupid mistake.

The entire ground team nearly killed by a stupid mistake.