In government, business, with family and friends, those are still valuable lessons.
If he hadn't already known it, he'd just learned a valuable lesson.
They are learning to cover up, a valuable lesson in public life.
Last year's experience has taught the company some valuable lessons.
But looking back, this could be a valuable lesson for the team.
It seemed like such a valuable lesson to learn and to live by.
"We have learned a valuable lesson and will never do anything like this again."
I think my daughter learned a valuable lesson that day.
It was a valuable lesson that we would do well to learn.
It was the one valuable lesson he'd learned from his father.