大方便佛報恩經 4.57

4.57

"Furthermore, Devadatta, in the distant past incalculable kalpas ago, at that time there was a Buddha who appeared in the world, named Manifesting Tathāgata, Arhat, Samyaksaṃbuddha, Vidyācaraṇasaṃpanna, Sugata, Lokavid, Anuttara, Puruṣadamyasārathi, Śāstā Devamanuṣyāṇām, Buddha, Bhagavat. After the Buddha's parinirvāṇa, during the semblance dharma, there was a dhyāna-practicing bhikṣu who dwelt alone in a forest. At that time, the bhikṣu once suffered from lice, and thereupon made an agreement with a louse, saying: 'Whenever I sit in dhyāna, you should silently conceal yourself and dwell still.' The louse followed the rule. Later on, a flea came to the louse and asked, 'Why is your body so plump and well-nourished?' The louse said, 'The host upon whom I depend constantly cultivates dhyāna and teaches me the proper times to feed. Because I feed in accordance with the rule, my body is fresh and plump.' The flea said, 'I too wish to practice that method.' The louse said, 'If you can do so, it is up to you.' At that time, the bhikṣu presently sat in dhyāna. Thereupon the flea smelled the fragrance of flesh and blood, and immediately bit and fed.