muppetymels:

Teaching kindergarten is like being an ambassador to beings from another planet and teaching them how to assimilate to our culture.
“No, we do not LICK water fountains. Perhaps that is acceptable on your planet, but here on earth we prefer to DRINK from water fountains.”
“Physics might be a little different on your planet, but here when you throw things they typically fall and break.”
“Grabbing people and shaking them violently is not considered a proper greeting on this planet.”