Course corrections — whether you’re flying to the moon or sailing across an ocean or just shopping for groceries — are a necessary part of life.

Consider, for instance, the historic Apollo 11 flight plan in which there are 13 references to the term “course correction.” Without those and other course corrections, it’s unlikely the astronauts would have reached their goals of walking on the moon and then returning safely to Earth.<… – All MarketWatch News – Personal Finance