Train not to get something right, train so that you can never get it wrong

There are no limits, only obstacles, and any obstacle can be overcome.

Without training you will not grow wings.

So if you do acrobatics things on the street with no other goal than showing off, please don't say it's parkour. Acrobatics existed long time ago before parkour.

A lot of people in their mind think ‘If there is a problem this is what I would do, this is how I would do it.’ But the truth is they don’t really know. Parkour teaches you to be sure of what you are able to do.

Understand that this art has been created by few soldiers in Vietnam to escape or reach: and this is the spirit I'd like parkour to keep. You have to make the difference between what is useful and what is not in emergency situations. Then you'll know what is parkour and what is not. So if you do acrobatics things on the street with no other goal than showing off, please don't say it's parkour. Acrobatics existed long time ago before parkour.

If you are in front of a wall that you cannot get past, would you just keep banging your head into the wall?... No, you would find a new wall.