when the door closes that's when the clock stop, that's when his mind take control,  to all those who don't know  he's speaking in ways only some will fully know while others stare blankly and you just continue to go no stops or brakes not even a pause no notice that not all students are not at aw with what's being said better yet what's being read, no not you just not giving a damn what's a few more left behind all put on Uncle Sam dime....?