"change has no limits. 
	those who use force
	will be limited by force and cannot change themselves easily.
	if you use your mind, 
	move flexibly, 
	go in any direction arbitrarily, 
	and discharge like lightning, 
	your opponent will fall and not know what happened.
	that is why mind is better than force." 
	-chen wei-ming, t'ai chi ch'uan ta wen