THE DEED OF CHRIST
and the
Opposing Spiritual Powers
Lucifer, Ahriman, Mephistopheles, Asuras
Two Lectures given by
Rudolf Steiner 1st January and 22nd March 1909
GA 107
The Lecture given on 22nd March is printed first on account of its
more fundamental character.
Authorized translation by D. S. Osmond, from shorthand reports
unrevised by the lecturer, by permission of the Rudolf Steiner
Nachlassverwaltung, Dornach, Switzerland and Rudolf Steiner Press,
London.
The original German texts of these lectures can be found in the
Collected Edition of Rudolf Steiner's works under the title:
"Geisteswissenschaftliche Menschenkunde," No. 107 in the
Bibliographical Survey, 1961.