In this ever-changing world, there will always be new lessons to learn. In the past decade, for example, I’ve learned … How to set up a wireless network. How to program my DVR remotely. How to use several types of GPS navigation systems. Happily, there are some lessons that are no longer necessary for most people to learn. How to milk a cow. How to drive a stickshift. How to trim the wick in a kerosene lamp. But some lessons are almost timeless, and will be learned for generations to come. Look both ways before you cross the street....