Translations:Manfred Klett: Von der Agrartechnologie zur Landbaukunst/1592/en

Between them lies a hidden and at the same time objectified threshold of mutual passage toward a middle — the soil. Both threefoldnesses form a polarity. The first represents the more basic-alkaline, the earthly pole. On this side sulphur holds sway. In the inorganic realm it is an acid-former; in the organic it unfolds its cosmic nature, in that «auf dem Wege des Schwefels der Geist in das Physische der Natur

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