“Those who don't know their history are defenseless against those determined to repeat it.”
“Those who don't know history are doomed to repeat it.”
“Those who don't know their history are doomed to repeat it. You have to expose who you are so that you can determine what you need to become.”
“Those who forget history are doomed to repeat it in summer school”
“Those who understand history are condemned to watch other idiots repeat it.”
“there are three kinds of people in the world: those who don't know and don't know they don't know; those who don't know and do know they don't know; and those who know and know how much they still don't know.”