the law of averages
idiomPart oflaw
the law of averages — idiom
1. The idea that if you try something enough times, it will eventually happen.
1.idiom
Definition
The idea that if you try something enough times, it will eventually happen.
Example
By the law of averages, you'll win a prize if you enter every contest.
Maya kept applying for jobs, knowing the law of averages would work.