It's unprofessional to take office supplies.
Marvin recently moved into a new home and has a nice space to set up a home office.
Marvin wants to get some pens and notebooks.
Marvin goes down to an office supply store and buys several items with his own money.
Marvin takes pens, notebooks and other supplies from the supply closet at his work.
Marvin furnishes his new home office, and it makes him even more productive in his job.
Marvin is later fired when HR discovers that he took a lot of company supplies home with him.