金剛般若波羅蜜經註解 1.4

1.4

First, explaining the title 'metaphor and dharma': 'Vajra' is the metaphor; 'prajñā' is the dharma. The most refined diamond among metals is supremely hard and supremely sharp, able to crush all things. This sūtra is able to cut through the doubts and attachments of sentient beings; taking this as a metaphor, the sixteen sections of the Pañcaviṃśatisāhasrikā Prajñāpāramitā name this sūtra the 'Section That Can Sever'.