"I'll give you my three reasons for not conceding to your 'suggestions'...
"First, you are younger than I am--you absolutely don't have any power or authority over me.
"Next, you don't pay me--I am not your employee.
"Lastly, I am the teacher here. I am the one in charge.
"So when I say you have to leave at 1:50 p.m.,you will leave this room at exactly 1:50 p.m."
-My response to a student who had a "seat-on-fire" during the National Career Assessment Examination.
-Perhaps, I could have thought of nicer words or nicer ways of saying my retort--but hey, I didn't shout. But I think I had every reason to say those things since I had let the student complain for the nth time before I dropped the bomb.