"I first started as a skateboarder, but then I learned about parkour. In parkour there was this whole philosophical movement, no joke, about building yourself as a stronger, better individual. One of the sayings that I think very well displays the philosophy behind pretty much everything I do, it goes like this: To be strong to be useful. To be strong to serve. There was a moment in my life when I decided that I am a person that is for progress—for good and against evil.

"It's not just about being able to run fast, or jump obstacles, or jump from big heights. It's also that sometimes you cannot just run away. Maybe there's someone with you, like your girlfriend or a kid that needs protection, and they cannot run away, because they're not as fast as you. What are you gonna do? You're gonna fight.

"When I started shooting, I thought, Hey, I can handle this. It's a better weapon than my fists. This works on bigger distances, can stop a threat even without actually engaging them—just by showing it—and stuff like that.