淨名經集解關中疏 2.120

2.120

答曰。我止此室如耆年解脫　二天答也。身子以執身止此室問。天以聞法故悟心止解脫答。肇曰。將明第一無久近之義。故以解脫為喻。解脫即無為解脫也。

She replied: "My staying in this room is like the Elder's liberation." (Second, the goddess's reply. Śāriputra asked based on grasping at a physical body staying in this room; the goddess replied based on the awakened mind staying in liberation through hearing the Dharma. [Seng]zhao says: "Wishing to clarify the ultimate truth that has neither long nor short duration, she takes liberation as an analogy. Liberation is unconditioned liberation.")