俱舍論頌疏論本 12.41

12.41

上三定為頂者，第二靜慮為火災頂，此下為火所焚燒故。第三靜慮為水災頂，此下為水所浸潤故。第四靜慮為風災頂，此下為風所飄散故。

'Having the upper three dhyānas as their summit': the second dhyāna is the summit of the calamity of fire, because everything below this is burned by fire. The third dhyāna is the summit of the calamity of water, because everything below this is soaked by water. The fourth dhyāna is the summit of the calamity of wind, because everything below this is blown and scattered by wind.