TIPITAKA Volume 16 : PALI ROMAN Sutta Pitaka Vol 8 : Sutta. Saṃ. Ni.

[683] Sāvatthiyaṃ viharati ... Assuttha no tumhe bhikkhave rattiyā paccūsasamayaṃ sigālassa 4- vassamānassāti . evaṃ bhante. Eso kho bhikkhave jarasigālo ukkaṇṇakena nāma rogajātena phuṭṭho . so yena yena icchati tena tena gacchati yattha yattha icchati tattha tattha tiṭṭhati yattha yattha icchati tattha tattha nisīdati yattha yattha icchati tattha tattha nipajjati. Sītakopi naṃ vāto upavāyati.