„The ideas about teaching and learning have changed dramatically over the past decades. For a long time, the view was that learners had to be „filled“ with knowledge and behavior „like by a funnel“. It is not uncommon to try to force this knowledge by force. But the times of supposedly unambiguous and non-questionable movement regulations are also a thing of the past in the technology transfer.

Serious teaching methods are geared to learners, their needs and interests. The 5-time Swedish Wimbledon winner Björn Borg has asked years ago: „Do not let yourself be influenced by rigorous tennis teacher rules. Discover your individual abilities, do not be afraid to experiment with anything that will benefit your game. “

(Stefan Schaffelhuber in: Inner Coaching, 1993)