I remember reading an article on The Washington Post the other day about Bruce Lee's One Inch Punch. It mentioned a small experiment where they tested punching forces, by comparing Karate practitioners and normal (well built) people. It made me think of this video (from ninjaskilledmyfish channel) and how styles differ in terms of striking techniques. Practising Tae Kwon Do and Wing Chun in my life and learning through experience the difference in techniques, I certainly found it interesting they picked Karate to do that test when talking about the One Inch Punch. It's cool to see this video again, just so happens soon after reading the article on TWP!
Brief, but interesting! Spiritual experiences I have had may seem similar in some ways though I’m not sure if there is any connection with his technique here.