[194] "And what, bhikkhus, is the peril of sharks (susukā)? Here, bhikkhus, a certain clansman (kulaputta) has gone forth out of faith (saddhā) from the home life into homelessness, thinking: 'I am immersed in birth, aging, death (jāti, jarā, maraṇa), in sorrow, lamentation, pain, grief, and despair; I am immersed in suffering (dukkha), oppressed by suffering. Perhaps an ending of this whole mass of suffering may be discerned.' When he has gone forth thus, in the morning he dresses, and taking his bowl and robe, he enters a village or town for alms with body unguarded, with speech unguarded, with mindfulness (sati) unestablished, with sense faculties unrestrained. There he sees a woman improperly dressed or improperly clothed. Having seen a woman improperly dressed or improperly clothed, lust corrupts his mind (citta). With his mind corrupted by lust, he renounces the training and reverts to the lower life. This one, bhikkhus, is called one who, frightened by the peril of sharks, has renounced the training and reverted to the lower life. 'The peril of sharks,' bhikkhus, is a designation for women. These, bhikkhus, are the four perils to be expected for certain persons here who have gone forth from the home life into homelessness in this Dhamma and Discipline."
This is what the Blessed One said. Gratified, those bhikkhus delighted in the Blessed One's words.
The Cātuma Sutta, the seventh, is finished.
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The Naḷakapāna Sutta
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.