28-34.
The Seven Discourses Beginning with Emergence as Root with Readiness
689-695.
At Sāvatthī.
"Monks, there are these four meditators.
Which four?
Here, monks, a certain meditator is skilled in emergence regarding concentration, but not skilled in readiness regarding concentration.
One is skilled in readiness regarding concentration, but not skilled in emergence regarding concentration.
One is neither skilled in emergence regarding concentration, nor skilled in readiness regarding concentration.
One is both skilled in emergence regarding concentration and skilled in readiness regarding concentration.
Therein, monks, the meditator who etc.
the highest and the most excellent."
The twenty-eighth.