維摩經略疏垂裕記 9.64

9.64

二、「所以」下，示中空所以，二：初、明破執用空。荊溪云：所以有時等者，非但虛解破執而已，亦能實破二邊之惑。不同虛解，故云有時。若空二邊即顯中道，故云空於二邊也。「若計」等者，為破二觀之人計中道者說之。

Second, from "Therefore..." downward, showing why the middle is empty, which has two parts: first, clarifying the use of emptiness to break clinging. Jingxi says: "Regarding 'Therefore at times...' and so forth, it is not merely using empty understanding to break clinging; it can also truly break the delusions of the two extremes. Not being the same as empty understanding, it says 'at times.' If one empties the two extremes, the middle way is revealed; hence it says 'empties the two extremes.'" As for "If one grasps..." and so forth, it is spoken to break those of the two contemplations who grasp at the middle way.