With the increase of general knowledge about the world, nature, the cosmos and with the development of technology, the urge grew - quite heretically - to kill old, fairy-tale religious stories as lies. Every scientific knowledge increased our level of knowledge, thus our education, but led to a renewed expulsion. First people regarded the earth as the centre of the universe, then they had to learn that we, together with our planet, orbit the sun and are only a tiny round sphere among billions of other spheres in the Milky Way and the entire cosmos.