Objectives can be compared to a compass bearing by which a ship navigates. A compass bearing is firm, but in actual navigation, a ship may veer off its course for many miles. Without a compass bearing, a ship would neither find its port nor be able to estimate the time required to get there.
Peter DruckerIf something fails despite being carefully planned, carefully designed, and conscientiously executed, that failure often bespeaks underlying change and, with it, opportunity.
Peter DruckerEvery few hundred years in Western history there occurs a sharp transformation. Within a few short decades, society - its worldview, its basic values, its social and political structures, its art, its key institutions - rearranges itself. We are currently living through such a time.
Peter Drucker