
It isn’t what you have, or who you are, or where you are, or what you are doing that makes you happy or unhappy. It is what you think about.
Dale Carnegie
Tags:
sept
16
2013

It isn’t what you have, or who you are, or where you are, or what you are doing that makes you happy or unhappy. It is what you think about.
Dale Carnegie
|
If you believe that you know the requirements better than the customer, you are part of the problem, not the solution. Alan Davis |
|
|
Sterker dan ooit Bij Bol.com | Managementboek |