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 DruckerMost innovators are successful to the extent to which they define risks and confine them.
Peter Drucker(Waste = Loss): The first rule of business is to survive and the guiding principle of business economics is not the maximisation of profit, it is the avoidance of loss
Peter Drucker