2.
The Discourse on Discernment
132.
"Monks, there are these four persons existing and found in the world.
Which four?
One with proper discernment, not with fluent discernment;
one with fluent discernment, not with proper discernment;
one with both proper discernment and fluent discernment;
one with neither proper discernment nor fluent discernment -
these, monks, are the four persons existing and found in the world."
The second.