We are all accustomed to entering our PIN code at the ATM or "hole in the wall" when we want to withdraw money. You may not know that it was first conceived in 1967 as a 6-digit numeric code by John Shepherd-Barron as a security code for a bank vending machine. He chose 6 digits because that was how many he could remember. However, when he talked to his wife about it, she preferred 4 digits, which became an accepted norm.
Our credit card issuers tell us never to write down our PIN, to cover the keypad with our other hand when we are entering it at a machine, and to generally treat it like a deep, family secret. But I want to share a PIN code you can talk about to every Christian you meet. Read More