Trường Bộ Kinh (Digha Nikaya) 1:289
SUJATODukkhanirodhagāminiyā paṭipadāya, bhikkhave, ariyasaccassa ananubodhā appaṭivedhā evamidaṁ dīghamaddhānaṁ sandhāvitaṁ saṁsaritaṁ mamañceva tumhākañca.
and the practice that leads to the cessation of suffering.