淨名經集解關中疏 2.34

2.34

又問。空當於何求　肇曰。上因正智明空。恐或者將謂空義在正不在邪。故問空義之所在以明邪正之不殊也。

"He also asked: 'Where should emptiness be sought?'"—Sengzhao says: "Above, he illuminated emptiness by relying on right wisdom; fearing that some might suppose the meaning of emptiness lies in the correct and not in the erroneous, he therefore asks where the meaning of emptiness lies, so as to clarify that the erroneous and the correct are not different."