juli
21
2019
The first principle is that you must not fool yourself, and you are the easiest person to fool.Richard P. Feyman
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
Effectief TijdbeheerHandleiding Voor Praktische Time- En Self-ManagementIneke E Kievit-Broeze
Bij Bol.com of Managementboek