淨名經集解關中疏 1.318

1.318

心不住內亦不在外。是為宴坐　四訶心住內外失。心生則內外相生。心寂則內外相滅。此無住為住也。肇曰。身為幻宅曷為住內。萬物斯虛曷為在外。小乘防念故繫心於內。凡夫多求故馳想於外。大士齊觀故內外無寄也。

"'The mind abiding neither within nor without: this is quiet meditation.'" Fourth, reprimanding the fault of the mind abiding within or without. When the mind arises, the marks of inside and outside arise; when the mind is quiescent, the marks of inside and outside cease. This is taking non-abiding as abiding. [Seng]zhao said: "The body is an illusory dwelling; how could one abide within? The ten thousand things are empty; how could one be without? The Hīnayāna guards against thoughts, hence it ties the mind within; ordinary beings seek much, hence they gallop their thoughts without. The mahāsattva views them equally, hence there is no reliance inside or outside."