Austrian Quotes and aphorisms about done 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 ,, All things which have a directing force here in the physical world cease to exist when one arrives ... Franz Schubert Friedrich August von Hayek Felix Baumgartner Ludwig Wittgenstein Wolfgang Amadeus Mozart Simon Wiesenthal