Matsyapurana 30.25

30.25

*yayātiruvāca
daśedāśīviṣastvekaṃ śastreṇaikaśca vadhyate
hanti vipraḥ sarāṣṭrāṇi purāṇyapi hi kopitaḥ //

Yayâtî said:—"By the bite of a poisonous serpent and by the blow of a weapon only one life is lost, but by the anger of a Brâhmaṇa the whole realm and country is devastated; this is my reason for having described a Brâhmaṇa as such, and I therefore cannot accept you in marriage without your father's consent.—25-26.