blind chance

Then there is perhaps the most potent force of all - sheer blind chance.

But I'd still just be selecting my victims by blind chance.

No one wants to think that they are the product of blind chance and mindless selection.

But neither do I believe that all the things that have happened to me are blind chance.

"It wasn't blind chance that brought the starship to Earth."

The game is one of sublime logic, not blind chance.

By some blind chance they had come out on the side which faced the peak.

The voice told her she was alive through blind chance now.

I. can't take a blind chance with the lives of five billion people any more than you can.

The cause of her disaster, however, was pure blind chance.