御注金剛般若波羅蜜經宣演 2.204

2.204

經。何以故　演曰。此論自下雙破名色。先徵後釋。此即雙徵色及名身。皆說無實有何所以。彼論徵云世界無實何所以故。

Sūtra: 'Why is this?' The Exposition states: Below, this treatise dually refutes name and form, first inquiring and then explaining. This dually inquires into form and the name-body: for what reason are both said to lack substantial existence? That treatise inquires, 'For what reason does the world lack reality?'