Forecasting and planning for the future
In human affairs—political, social, economic, and business—it is pointless to try to predict the future, let alone attempt to look ahead 75 years. But it is possible—and fruitful—to identify major events that have already happened, irrevocably, and that therefore will have predictable effects in the next decade or two. It is possible, in other words, to identify and prepare for the future that has already happened.
Source: Peter Drucker: The Future That Has Already Happened