Parisasutta 3.2

3.2

Idha, bhikkhave, yassaṃ parisāyaṃ bhikkhū bhaṇḍanajātā kalahajātā vivādāpannā aññamaññaṃ mukhasattīhi vitudantā viharanti, ayaṃ vuccati, bhikkhave, vaggā parisā.

An assembly where the mendicants fight, quarrel, and dispute, continually wounding each other with barbed words. This is called a divided assembly.