釋禪波羅蜜次第法門 5.58

5.58

此八雖有十六，並約四大而發，因四大生：地中四者，重、沈、堅、澁；水中四者，涼、冷、軟、滑；火中四者，暖、熱、猗、痒；風中四者，動、掉、輕、浮。故《金光明》云：「地水二蛇，其性沈下；風火二蛇，性輕上昇。」

Although these eight have sixteen varieties, all arise in relation to the four great elements and are generated through the four great elements: the four within earth are heaviness, sinking, hardness, and roughness; the four within water are coolness, coldness, softness, and slipperiness; the four within fire are warmth, heat, peaceful ease, and itching; the four within wind are movement, restlessness, lightness, and buoyancy. Therefore the Suvarṇaprabhāsa says: 'The two serpents of earth and water, their nature is to sink downward; the two serpents of wind and fire, their nature is light and ascends.'