AvŚat, 6, 4.4 pitā putrasya rogaṃ vṛddhaṃ jātaṃ dṛṣṭvā avaśyaṃ putro mariṣyati yad vaidyenāpi cāsya rogasya cikitsituṃ na śakyate iti mūrcchayā bhūmau patitaḥ /