“There are four kinds of practices.
 
What are they?
 
(1) The unpleasant practice with slow realization;[1]
(2) The unpleasant practice with quick realization;
(3) The pleasant practice with slow realization;
(4) The pleasant practice with quick realization. [2]
 
These are the four kinds of practices, monks.”

[1] Dukkhā paṭipadā dandhābhiññā,
[2] sukhā paṭipadā khippābhiññā