The context of the following conversation is Lee developed student's cognitive awareness. They helped the student learn.:
Lee says You see class, that's why we use them.
The friend responds Thank you, Mr Robinson you are a great teacher.
Lee responds thank you, I wouldn't be here if it wasn't for you kids.
The friend responds  You broaden all of our horizons, and make things more easier to understand.
Lee responds each one of you is special and deserve a great education.
The friend responds thanks Mr Robinson.