Austrian Quotes and aphorisms about physical Sigmund Freud Erwin Schrodinger Rudolf Steiner ,, Descriptions of inner, spiritual processes are much more liable to misunderstanding than descriptio... Rudolf Steiner Rudolf Steiner ,, If spiritual science is to do the same for spirit that natural science has done for nature, it must... Rudolf Steiner Rudolf Steiner Rudolf Steiner Rudolf Steiner ,, All things which have a directing force here in the physical world cease to exist when one arrives ... Rudolf Steiner ,, You must take a definite idea, set it in the centre of your thinking, and then logically arrange yo...