John Maxwell states: Goals not only help you develop initial motivation by making your dreams obtainable, but they also help you continue to be motivated – and that creates momentum. Once you get going on the success journey, it will be very hard to stop you. It’s similar to what happens with a train. Getting it started is the toughest part of the trip. While standing still, a train can be prevented from moving forward by one-inch blocks of wood under each of the locomotive’s drive wheels. However, once a train gets up to speed, not even a steel-reinforced concrete wall five feet thick can stop it.
Source: John C. Maxwell, The Success Journey, 1997, Nashville: Thomas Nelson, p.78