2.
The Discourse on True Knowledge
114.
At Sāvatthī.
Seated to one side, that monk said this to the Blessed One -
"'True knowledge, true knowledge', venerable sir, is said.
What indeed, venerable sir, is true knowledge, and in what way is one gone to true knowledge?"
"Here, monk, a learned noble disciple understands matter, understands the origin of matter, understands the cessation of matter, understands the practice leading to the cessation of matter.
Feeling...
perception...
understands activities... etc.
understands the practice leading to the cessation of consciousness.
This is called, monk, true knowledge.
And to this extent one is gone to true knowledge."
The second.