5.
The Discourse on the Learner
86.
Then a certain monk approached the Blessed One;
having approached, he paid respect to the Blessed One and sat down to one side.
Seated to one side, that monk said this to the Blessed One -
"'Trainee, trainee', venerable sir, is said. In what way, venerable sir, is one a trainee?" "'He trains', monk, therefore he is called a trainee. And what does he train in? He trains in higher morality, he trains in higher consciousness, he trains in higher wisdom. 'He trains', monk, therefore he is called a trainee."
First is knowledge in destruction, then final knowledge immediately after.
'Unshakable is my liberation' - at the elimination of the fetters of existence." The fifth.