The young knowledge worker whose job is too small to challenge and test his abilities either leaves or declines rapidly into premature middle age, soured, cynical, unproductive.

We live in an age of unprecedented opportunity: If you’ve got ambition and smarts, you can rise to the top of your chosen profession, regardless of where you started out.

Innovation is the specific tool of entrepreneurs, the means by which they exploit change as an opportunity for a different business or a different service. It is capable of being presented as a discipline, capable of being learned, capable of being practiced. Entrepreneurs need to search purposefully for the sources of innovation, the changes and their symptoms that indicate opportunities for successful innovation. And they need to know and to apply the principles of successful innovation.

One does not "manage" people. The task is to lead people.

One has to make a decision when a condition is likely to degenerate if nothing is done.

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.

Knowledge people and service people learn the most when they teach .