Titthayatanasutta 9.6

9.6

Imāni cattāri ariyasaccānīti, bhikkhave, mayā dhammo desito aniggahito asaṅkiliṭṭho anupavajjo appaṭikuṭṭho samaṇehi brāhmaṇehi viññūhi.

‘These are the four noble truths’: this is the Dhamma I’ve taught that is irrefutable, uncorrupted, beyond reproach, and is not scorned by sensible ascetics and brahmins.