We must not take Spiritual Science in an ascetic sense, as a flight from the physical world. All that happens here is taken with us out of the physical world and it would be lost to the spiritual world if it were not collected here first.
Source: Rudolf Steiner – GA 102 – The Influence of Spiritual Beings Upon Man: Lecture X – Berlin, 4th June, 1908
The great Rudolf Steiner Quotes Site 