Vajrasuci (Siddhacarya Ghoshapada) 12

12

ākāśagāmino viprāḥ patanti30 māṃsabhakṣaṇāt
viprāṇāṃ patanaṃ dṛṣṭvā tato māṃsāni varjayet

Vipras who traverse the sky fall from eating meat;
having seen the fall of vipras, one should therefore avoid meat.