Think of these business systems as bridges. Bridges that will provide a path for you to cross safely …to financial freedom. . . Let’s take a dentist. A dentist spends years in school learning to become a self-contained system. You, as the client, get a toothache. You go see your dentist. He fixes your tooth. You pay and go home. You’re happy and then tell all of your friends about your great dentist. In most cases, the dentist can do the entire job by himself. The problem is that if the dentist goes on vacation, so does his income. True business owners can go on vacation forever because they own a system, not a job. If the business owner is on vacation, the money still comes in.

Robert Kiyosaki, The CASHFLOW Quadrant.