The challenge is to make the audience believe in the character, not in the actor.
Literature is the most effective weapon against fanaticism.
Can I jump over two or three guys like I used to? No. Am I as fast as I used to be? No, but I still have the fundamentals and smarts. That’s what enables me to still be a dominant player. As a kid growing up, I never skipped steps. I always worked on fundamentals because I know athleticism is fleeting.