Three realities are eternal – God – Your consciousness (for though you may travel to heaven, get reincarnated, your consciousnesses is always conscious) The mechanism – as Kabbalah teaches life doesn’t exist – whatever you think reality is, to paraphrase Einstein, is an illusion (if nothing else, science continuously demonstrates this, from atoms to quantum physics etc.) but what is really happening is your consciousness traverses realms – personalized experiences; which lead it to understand, creating newfound convictions -for example, after a couple of useless world-wars, people decided to stop world-warring- after living a meaningless life, you start to look for meaning; and as God is infinite so to his mechanisms