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 DruckerThe most probable assumption is that no currently working 'business theory' will be valid 10 years hence.
Peter DruckerThe new always looks so puny-so unpromising-next to the reality of the massive, ongoing business.
Peter Drucker