Train Hard - Stay Humble
"The object of parkour is to get from one place to another in the most efficient way possible using only the human body and the objects in the environment.
Naim (from "Tomber or not tomber") does it again...
...and: Efficiency, which includes effectiveness, speed and energy saving, is sought, not the "out of the ordinary".
(Naim - "C'est l'efficience, laquelle regroupe efficacité, vitesse, et économie d'énergie, qui est recherchée, non la "sortie de l'ordinaire".)