Knowledge has to be improved, challenged, and increased constantly, or it vanishes. – Peter Drucker
When a subject becomes totally obsolete we make it a required course. – Peter Drucker
Knowledge has to be improved, challenged, and increased constantly, or it vanishes. – Peter Drucker
When a subject becomes totally obsolete we make it a required course. – Peter Drucker
The most important thing in communication is to hear what isnt being said. – Peter Drucker