
The most important thing in communication is hearing what isn't said.
Peter Drucker
juni
09
2011

The most important thing in communication is hearing what isn't said.
Peter Drucker
|
Everything that we see is a shadow cast by that which we do not see. Martin Luther King |
|
|
Elke dag je hoofd en inbox leeg Bij Managementboek.nl | Bol.com |