首楞嚴義疏注經 1.172

1.172

心見兩門，由茲所問。下既認心不迭，指見謬稱，故成二障為纏，三空罔契，故下徵詰，俾識妄源。

The two approaches of mind and seeing stem from this question. Below, having mistaken the mind repeatedly and designated seeing erroneously, he becomes entangled in the two obscurations and fails to accord with the three emptinesses. Therefore, the interrogation follows below to make him recognize the source of delusion.