Rājā āha—“bhante nāgasena, ‘samuddo samuddo’ti vuccati, kena kāraṇena udakaṃ ‘samuddo’ti vuccatī”ti? Thero āha—“yattakaṃ, mahārāja, udakaṃ, tattakaṃ loṇaṃ. Yattakaṃ loṇaṃ, tattakaṃ udakaṃ. Tasmā ‘samuddo’ti vuccatī”ti.

“Kallosi, bhante nāgasenā”ti.

Samuddapañho dvādasamo.