“But anyone who has experienced flow knows that the deep enjoyment it provides requires an equal degree of disciplined concentration.”
― Mihaly Csikszentmihalyi
 |
| RoninZ im Kletterpark Tannenbühl Juli 2013 |
Life is good.
andy-guettner.de | roninz.de
AUTOR · DIPLOMSPORTLEHRER · TRAINER
“But anyone who has experienced flow knows that the deep enjoyment it provides requires an equal degree of disciplined concentration.”
― Mihaly Csikszentmihalyi
|
| RoninZ im Kletterpark Tannenbühl Juli 2013 |
Life is good.
andy-guettner.de | roninz.de
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