Of course, that if you know nothing and believe in no one, so you don't have a clue of what future may come. We advanced a bit since astrology and reading tea leaves, we have better tools to make predictions, and they work well enough to base our current civilization on that, and, don't know, be afraid because taking a plane, entering a skyscraper, or taking a medicine. And those tools are the ones saying which alternative is the right one there.