Dukkhānupassī sutta: Observing Suffering

“Mendicants, these seven individuals are worthy of offerings dedicated to the gods, worthy of hospitality, worthy of a religious donation, worthy of greeting with cupped palms, and are the supreme field of merit for the world. What seven? First, take an individual who meditates observing suffering in all conditions. They perceive suffering and experience suffering. Constantly, continually, and without interruption, they apply the mind and fathom with wisdom. …”