Sentence examples for when to quit from inspiring English sources

Pope Benedict XVI knew when to quit.

You have to know when to quit.

Yet Hahn knew when to quit.

It's smart to know when to quit".

But he knows when to quit.

A smart traveler knows when to quit.

It's about knowing when to quit.

But I know when to quit.

"What's Your Number?" doesn't know when to quit.

He will know when to quit, he said.

Or they would if they knew when to quit.