淨名經集解關中疏 2.293

2.293

以文殊師利威神力故咸皆默然　二神力使默。肇曰。文殊師利將顯淨名之德故以神力令眾默然。

Due to Mañjuśrī's awe-inspiring supernormal power, they were all silent.
[Part] two: the supernormal power causes silence. Zhao says: “Mañjuśrī, wishing to reveal Jingming's virtue, therefore used supernormal power to make the assembly silent.”