Paṭhamakaṇhasappasutta
“Pañcime, bhikkhave, ādīnavā kaṇhasappe. Katame pañca? Asuci, duggandho, sabhīru, sappaṭibhayo, mittadubbhī. Ime kho, bhikkhave, pañca ādīnavā kaṇhasappe.
Black Cobras (1st)
“Mendicants, there are these five drawbacks of a black cobra. What five? It’s filthy, stinking, cowardly, frightening, and treacherous. These are the five dangers of a black cobra.