An Outline of Esoteric Science, by Rudolf SteinerSteiner Books
This recent translation of a masterwork of esotericism places humankind at the very heart of the vast, invisible processes of cosmic evolution. When we use the term natural science don't we mean that we are dealing with knowledge of nature?
Esoteric science is the science of what takes place esoterically, in the sense that it is perceived not outside in nature but where one's soul turns when it directs its inner being toward the spirit. Esoteric science is the opposite and counterpart of natural science. —Rudolf Steiner