On 1 June 1914, Rudolf Steiner spoke in Basel for the last time before the outbreak of World War I, and for the last time ever in all his lectures and writings about the Nathan soul and its relationship with the Mystery of Golgotha. This internal lecture, given only for members of the Anthroposophical Society, concluded a series of profound Christological reflections begun on September 20, 1913, at the laying of the foundation stone for the St. John's building (the first Goetheanum) in nearby Dornach and culminating (four weeks before the Sarajevo assassination that sparked the Great War) in...