俱舍論頌疏論本 23.29

23.29

六地者，依地門，煗等四善通依六地，謂未至、中間、四靜慮也。欲界中無，非定地故。無色亦無，謂煗等四見道眷屬，無色無見道，故無煗等也。二或七者，二謂煗、頂，或言謂顯妙音師說，彼說煗、頂通依七地，於前六地，更加欲界也。

"Six levels": the gate of relying on levels. The four wholesome [roots], heat and the rest, commonly rely on six levels, namely: the threshold, the intermediate, and the four dhyānas. They are absent in the desire realm because it is not a concentrated level. They are also absent in the formless realm: that is to say, heat and the rest are retinue to the path of vision, and because the formless realm has no path of vision, it has no heat and the rest. "Two on seven": "two" refers to heat and the summit. The word "or" reveals the explanation of Master Ghoṣaka, who said that heat and the summit commonly rely on seven levels, adding the desire realm to the previous six levels.