諸經要集 2.67

2.67

Furthermore, the Mahāprajñāpāramitā-sūtra (Fascicle 440) says: 'The Buddha said: "When good sons, good daughters, and others copy the profound Prajñāpāramitā-sūtra, if they scowl, stretch, yawn, jest and laugh without cause, disparage one another, become restless and agitated in body and mind, confuse sentences and phrases, become bewildered about the doctrines and principles, fail to obtain their flavour, and unforeseen troubles suddenly arise so that the copying is not completed, you should know that these are the Māra-deeds of a bodhisattva."'