The fourteenth sutta of the Atthakavagga of the Sutta Nipāta.
It was one of the suttas preached at the Mahāsamaya.
It deals with the qualities a monk should cultivate in order to attain emancipation (SN., pp.179ff; SNA.ii.562ff).
It is explained in the Mahā Niddesa (ii.339ff). It is considered specially fitted for saddhācaritas. NidA.223.