From:
Jātaka
Ekakanipāta
Apāyimhavagga
3. Kāḷakaṇṇijātaka
“Mitto have sattapadena hoti,
Sahāyo pana dvādasakena hoti;
Māsaḍḍhamāsena ca ñāti hoti,
Tatuttariṁ attasamopi hoti;
Sohaṁ kathaṁ attasukhassa hetu,
Cirasanthutaṁ kāḷakaṇṇiṁ jaheyyan”ti.
Kāḷakaṇṇijātakaṁ tatiyaṁ