15. Spiritual Science, Natural Science and Technology

But then, when what is sought in ordinary life and in ordinary natural science is achieved, only then does the goal of spiritual science as it is meant here begin. By thinking about and understanding the facts around us, we arrive at certain boundary concepts. I am mentioning here only such limiting concepts, whether they are conceived as mere functions or as realities, limiting concepts such as atom, matter and so on. We operate at least with them, even if we do not seek demonic entities behind them. These limiting concepts, limiting ideas, which confront us particularly when we follow the scientific branches that are fundamental to technology, stand there as it were like pillars. And if you want to stop at the limits of ordinary science, you will remain standing right in front of these boundary pillars.