दीघ निकाय 2:163
SUJATOKathañca pana, bhikkhave, bhikkhu dhammesu dhammānupassī viharati catūsu ariyasaccesu?
And how does a mendicant meditate observing an aspect of principles with respect to the four noble truths?
Kathañca pana, bhikkhave, bhikkhu dhammesu dhammānupassī viharati catūsu ariyasaccesu?
And how does a mendicant meditate observing an aspect of principles with respect to the four noble truths?