jan
25
2011
Het aardige van de toekomst is dat ze vandaag begint.
Marie-Louise von Franz
Time is free, but it's priceless. You can't own it, but you can use it. You can't keepit, but you can spend it. Once you've lost ityou can never get it back.
Harvey MacKay
How Learning Happens Seminal Works in Educational Psychology and What They Mean in PracticePaul A. Kirschner Bij Bol.com