So, until some valid study like this is done, we should stop speculating.

"Would everyone please stop speculating ahead of the evidence," snapped Crusher.

Time to stop speculating and get down to a little solid research.

I hadn't been able to stop speculating about that lab coat, the one used to prop the rolling chair in place.

But he had to stop speculating and find out who it was.

"You know if you just told people the truth, they'd stop speculating."

So why don't you stop speculating about my romantic history and go sell security systems?

Or was she - well, his mind was in enough turmoil to stop speculating further.

He made himself stop speculating in such a fashion.

Stop speculating on other people lives and live your own.