When their mind has become immersed in samādhi like this—purified, bright, flawless, rid of corruptions, pliable, workable, steady, and imperturbable—they project it and extend it toward knowledge and vision. This pertains to their knowledge. … They understand: ‘There is nothing further for this place.’ This pertains to their knowledge. This is that knowledge. This mendicant is said to be ‘accomplished in knowledge’, and also ‘accomplished in conduct’, and also ‘accomplished in knowledge and conduct’. And, Ambaṭṭha, there is no accomplishment in knowledge and conduct that is better or finer than this.

5. Four Causes of Quitting There are these four causes of quitting this supreme knowledge and conduct. What four? Firstly, take some ascetic or brahmin who, not managing to obtain this supreme knowledge and conduct, plunges into a wilderness region carrying their pack with a shoulder-pole, thinking they will get by eating fallen fruit. In fact they succeed only in serving someone accomplished in knowledge and conduct. This is the first cause of quitting this supreme knowledge and conduct. Furthermore, take some ascetic or brahmin who, not managing to obtain this supreme knowledge and conduct or to get by eating fallen fruit, plunges into a wilderness region carrying a spade and basket, thinking they will get by eating tubers and fruit. In fact they succeed only in serving someone accomplished in knowledge and conduct. This is the second cause of quitting this supreme knowledge and conduct.