335. experienced for a long time, that nothing is clearer, in fact, hardly anything is more tangible. * Then at the same time those elements are raised up from the lower mind which are to be combined with those in the thinking mind and its will. These will compose what are, to be sure, called spiritual elements, but are in fact matters of understanding. For truths of nature are combined with spiritual truths in such a way that they take on almost the appearance of daybreak, or of a rainbow, understood in a spiritual sense.