=> School: Two books for one subject. => College: One book for all subjects. => Company: Books? What are they? Only follow standards. ************** => School: A White pipe in teacher's hand - CHALK => College: A White pipe in student's hand PEN => Company: A White pipe in employee's hand 100% CIGARETTE ************** => School: Most Frequent letter - LEAVE LETTER => College: Most Frequent letter - LOVE LETTER => Company: Most Frequent letter -RESIGNATION LETTER ************** => School: If we go it's boring. => College: If we don't go it's boring. => Company: Go/don't go, it's boring.