Knowledge has to be improved, challenged, and increased constantly, or it vanishes.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
A manager is responsible for the application and performance of knowledge.
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.
A manager is responsible for the application and performance of knowledge. – Peter Drucker
When a subject becomes totally obsolete we make it a required course. – Peter Drucker