Knowledge has to be improved, challenged, and increased constantly, or it vanishes.
More Quotes from Peter Drucker:
The job of a professional manager is not to like people. It is not to change people. It is to put their strengths to work.Peter Drucker
Checking the results of a decision against its expectations shows executives what their strengths are, where they need to improve, and where they lack knowledge or information.
Peter Drucker
Management is doing things right; leadership is doing the right things.
Peter Drucker
If a manager spends more than 10 percent of his time on human relations the group is probably too large.
Peter Drucker
Elephants have a hard time adapting. Cockroaches outlive everything.
Peter Drucker
We know nothing about motivation. All we can do is write books about it.
Peter Drucker
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