Digha Nikaya 1:767
SUJATO“catunnaṁ, bhikkhave, dhammānaṁ ananubodhā appaṭivedhā evamidaṁ dīghamaddhānaṁ sandhāvitaṁ saṁsaritaṁ mamañceva tumhākañca.
“Mendicants, due to not understanding and not penetrating four things, both you and I have wandered and transmigrated for such a very long time.