Leon’s Furniture “Stranger” + “Driving Lesson” [00:30]# Leon’s furniture store has an annual “Common Sense Event,” during which people can buy furniture now and pay for it later. And advertising for Leon’s centers on so-called “Common Sense Tips,” hilariously illustrated by an old actor. Apart form exhorting viewers to take part in “Leon’s Common Sense Event,” these cover such chestnuts as, “Don’t cry over spilled milk” and “You can’t teach an old dog new tricks” and even the old mother’s favourite, “Don’t talk to strangers.”