Majjhima Nikaya 2:168
SUJATOEvampi kho, bhikkhave, bhikkhu dhammesu dhammānupassī viharati catūsu ariyasaccesu.
That’s how a mendicant meditates by observing an aspect of principles with respect to the four noble truths.
Evampi kho, bhikkhave, bhikkhu dhammesu dhammānupassī viharati catūsu ariyasaccesu.
That’s how a mendicant meditates by observing an aspect of principles with respect to the four noble truths.