I'm glad they got caught. That will 'teach them a lesson'! [=they will learn that they should not do that again]
We 'learned our lesson' the hard way. [=we learned from an unpleasant experience]
They studied the 'lessons' [='teachings'] of the great philosophers.
(..) the vision changes. Okay, so the course that the tracker's on now is gonna lead him to a ballet studio? - You've been here? - I took lessons as a kid. The school I went to had an arch just like that. Was your school here in Phoenix? - Edward, are you okay? - We've lost the tracker. (..)2008 Twilight