Brahmajalasutta 2.24.9

2.24.9

Idaṃ, bhikkhave, paṭhamaṃ ṭhānaṃ, yaṃ āgamma yaṃ ārabbha eke samaṇabrāhmaṇā amarāvikkhepikā tattha tattha pañhaṃ puṭṭhā samānā vācāvikkhepaṃ āpajjanti amarāvikkhepaṃ.

This is the first ground on which some ascetics and brahmins rely when resorting to verbal flip-flops and endless flip-flops.