15. How Are the Eternal Forces of the Human Soul Investigated?

This serious word is especially necessary if one wants to put the sense of truth, which is inseparable from spiritual scientific research, in the right light, and if one wants to draw attention to how everything spiritual must be inward, must be based on the internalization of human must be based on the internalization of human nature, and how it strictly separates itself – when spiritual science also speaks of things that can only be recognized from the spiritual world, even with regard to such things it will not be dismissive – but it will strictly separate itself from all that has just been characterized. This is especially necessary in our serious time, because it is necessary on the other hand that spiritual science incorporates the course of development, the spiritual course of development, as natural science once incorporated the spiritual course of development of humanity.