The secret of happiness is to count your blessings while others are adding up their troubles.
William Penn
Believe it can be done. When you believe something can be done, really believe, your mind will find the ways to do it. Believing a solution paves the way to solution. Dr. David Schwartz (auteur van"The Magic of Thinking Big") |
Understanding How We Learn Bij Bol.com | Managementboek | Amazon.nl |