Sentence examples for harder lesson from inspiring English sources

This is, I think, the much harder lesson that Peter has been teaching all his working life.

There have been harder lessons learnt in Dunblane.

"Learn this hard lesson.

"This was a hard lesson".

"That was a hard lesson," he said.

It was a hard lesson".

This has been a very hard lesson.

That was a hard lesson to learn.

This is a hard lesson to learn.

"That was a hard lesson for us.

"That was a very hard lesson".