Digha Nikaya 18 (dn18:18.1)

Seyyathāpi, bhante, rājā khattiyo muddhāvasitto adhunābhisitto rajjena, uḷāraṁ so labhati vedapaṭilābhaṁ, uḷāraṁ so labhati somanassapaṭilābhaṁ;