A certain monk approaches Sāriputta, exchanges friendly greetings, and sits at one side. Sitting thus, he tells Sāriputta that a co-
Sāriputta says that it is to be expected that if a monk lives with the sense doors unguarded, immoderate in eating, and not devoted to wakefulness, that he will not be able to fulfil the training perfectly throughout his life.
Sāriputta goes on to explain how a monk guards the sense doors, is moderate in eating, and devoted to wakefulness, urging the monk to do this. S.iv.103.