“Bhikkhus, I will teach you about one who dwells negligently, and about one who dwells diligently. Listen to that….
“And how, bhikkhus, does one dwell negligently? If one dwells without restraint over the eye faculty, the mind is soiled among forms cognizable by the eye. If the mind is soiled, there is no gladness. When there is no gladness, there is no rapture. When there is no rapture, there is no tranquillity. When there is no tranquillity, one dwells in suffering. The mind of one who suffers does not become concentrated. When the mind is not concentrated, phenomena do not become manifest. Because phenomena do not become manifest, one is reckoned as ‘one who dwells negligently.’
“If one dwells without restraint over the ear faculty, the mind is soiled among sounds cognizable by the ear…. If one dwells without restraint over the mind faculty, the mind is soiled among mental phenomena cognizable by the mind…. Because phenomena do not become manifest, one is reckoned as ‘one who dwells negligently.’ SuttaCentral
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