Sentence examples for lessons are secure from inspiring English sources

For my generation those lessons are secure, as is Milk's place in history.

They are secure in themselves.

Make sure they are secure!

Life lessons are learned.

The lessons are hidden.

The lessons are straightforward.

"The lessons are learned".

"Lessons are bullcrap".

The lessons are clear.

Lessons are not given.

Many lessons are unconventional.