World views yesterday and today - What will remain and what will be laughed at tomorrow?

Our world, the entire universe, simply everything of which we are only a small but nevertheless important part of an incredibly large whole, certainly stems from one single source! From time immemorial we have been asking metaphysical questions, such as: How can there be a creative intelligence? Is there a God or whatever we want to call "him+her+it"? Is there a spirit, a "spiritual dimension...