Lecture XVII
It was not at all necessary to write things down at the time when the knights around King Arthur's table could still read the script which arose from the spouting ocean, the waves that sprayed up against the rocks along the shore, and the mingling of spraying billows with air currents that were saturated with light. Thus one basically has to deduce the dying out of spiritual and invisible things from the luster of visible things, and on the other hand one has to perceive how sensory, physical outer symbolism died down during the time when spiritual things became particularly prominent.
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