
Regret for the things we did can be tempered by time; it is regret for the things we did not do that is inconsolable."
Sydney J. Harris
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If you are going to achieve excellence in big things, you develop the habit in little matters. Excellence is not an exception, it is a prevailing attitude. Colin L. Powell |
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Getting Things Done Het werkboek Bij Bol.com | Managementboek |