Physicist Quotes and aphorisms about level Albert Einstein Albert Einstein Richard P. Feynman Michio Kaku Michio Kaku Michio Kaku ,, Consciousness-one level is understanding where we are in space. Consciousness two is where we under... Lawrence M. Krauss ,, No one intuitively understands quantum mechanics because all of our experience involves a world of ... Enrico Fermi Roger Penrose Leonard Mlodinow