There's so much myth and baloney. Like a 80-year-old man able to manhandle a 300-pounder with his little finger. Ridiculous. Or this matter of breaking bricks and boards wth the edge of your hand. Now I ask you, did you ever see a brick or a board pick a fight with anybody?
Bruce LeeOne rule is to not use complicated techniques unless they are necessary to achieve your goal. First, use simple movements, and if they don't work, then introduce the more complex ones.
Bruce Lee