The True Nature of the Sun
"The sun is very different from what the physicists of today imagine. They would be very astonished if they were to approach it: they would not find fiery gas but they would find something that causes any earthly substance to be sucked in and disappear. The sun is an empty space that exerts suction. It is not a globe of gas. It resembles a pearl in the universe, a suction globe with nothing in it that one looks for, but which continuously absorbs this mass of comets. The fine etheric structures of the universe, which are almost spiritual, are continuously being sucked in by the sun as nourishment. We still see today, therefore, this dashing against the sun. This should draw our attention, gentlemen, to something important. "
Read more: Rudolf Steiner, The Evolution of the Earth and Man and the Influence of the Stars, Lecture XII, GA 354, 18 September 1924, Dornach