I hated every minute of training, but I said, 'Don't quit. Suffer now and live the rest of your life as a champion'.
Muhammad Ali
jan
27
2018
I hated every minute of training, but I said, 'Don't quit. Suffer now and live the rest of your life as a champion'.
Muhammad Ali
Time is the scarcest resource and unless it is managed nothing else can be managed. Peter Drucker |
In 10 stappen systemisch coachen |