Of course you don’t know! You don’t know because only I know. If you knew and I didn’t know, then you’d be teaching me instead of me teaching you–and for a student to be teaching his teacher is presumptuous and rude. Do I make myself clear?

Mr. Turkentine: Of course you don’t know! You don’t know because only I know. If you knew and I didn’t know, then you’d be teaching me instead of me teaching you–and for a student to be teaching his teacher is presumptuous and rude. Do I make myself clear?