Perhaps nothing else could have taught them that particular lesson.

She had learned that lesson over the past twelve months.

He'd learned that lesson the hard way how long ago?

But here's the funny thing: I didn't actually learn that lesson from the movie.

I hope we have all learned that lesson by now.

Why should they, since every effort is made to wipe out that lesson?

My wife and I had learned that simple lesson from trying to live the rural life.

The challenge is how we spread that lesson across local public services.

He had learned that lesson the hard way a long time ago.

Well, we have learned that lesson, in more ways than one, my friends.