3.
The Second Discourse on Concentration
93.
"Monks, there are these four persons existing and found in the world.
Which four?
Here, monks, a certain person is an obtainer of internal serenity of mind, but not an obtainer of insight into phenomena through higher wisdom.
Here again, monks, a certain person is an obtainer of insight into phenomena through higher wisdom, but not an obtainer of internal serenity of mind.
Here again, monks, a certain person is neither an obtainer of internal serenity of mind nor an obtainer of insight into phenomena through higher wisdom.
Here again, monks, a certain person is both an obtainer of internal serenity of mind and an obtainer of insight into phenomena through higher wisdom.
"There, monks, that person who is an obtainer of internal serenity of mind but not an obtainer of insight into phenomena through higher wisdom, by that person, monks, having established himself in internal serenity of mind, exertion for insight into phenomena through higher wisdom is to be done. He, at a later time, becomes both an obtainer of internal serenity of mind and an obtainer of insight into phenomena through higher wisdom.
"There, monks, that person who is an obtainer of insight into phenomena through higher wisdom but not an obtainer of internal serenity of mind, by that person, monks, having established himself in insight into phenomena through higher wisdom, exertion for internal serenity of mind is to be done. He, at a later time, becomes both an obtainer of insight into phenomena through higher wisdom and an obtainer of internal serenity of mind.
"There, monks, that person who is neither an obtainer of internal serenity of mind nor an obtainer of insight into phenomena through higher wisdom, by that person, monks, for the attainment of those very wholesome mental states, exceeding desire and effort and endeavour and enthusiasm and unremitting and mindfulness and full awareness is to be done. Just as, monks, one whose garment is on fire or whose head is on fire, for the quenching of that very garment or head, would make exceeding desire and effort and endeavour and enthusiasm and unremitting and mindfulness and full awareness; so too, monks, by that person, for the attainment of those very wholesome mental states, exceeding desire and effort and endeavour and enthusiasm and unremitting and mindfulness and full awareness is to be done. He, at a later time, becomes both an obtainer of internal serenity of mind and an obtainer of insight into phenomena through higher wisdom.
"There, monks, that person who is both an obtainer of internal serenity of mind and an obtainer of insight into phenomena through higher wisdom, by that person, monks, having established himself in those very wholesome mental states, exertion for the further elimination of mental corruptions is to be done. These, monks, are the four persons existing and found in the world." The third.