Long ago, emissaries traveled by post to Annan, Lang, and Gun prefectures. Carrying instruments to measure the…
Long ago, emissaries traveled by post to Annan, Lang, and Gun prefectures. Carrying instruments to measure the sun's shadow.
Mount Baima and Mount Taiyue once marked the old Yellow River lands. Through the movement of the shadow can one tell when the tides would rise or fall.
They say: "To view the heavens through a tube, to measure the sea with a ladle. Such things were never meant to be fully grasped."
If we try to measure the vastness of heaven and earth with mere sticks and strings, can we ever truly understand their scale? And if we can't, then how vast could they truly be?