Chiggala Sutta
Chiggala Sutta：1．Chiggala Sutta.-Once，at the Kūtagārasālā in Vesāli，Ananda saw Licchavi youths practising archery，shooting through even a small keyhole （chiggala） without a miss．He reported this to the Buddha，who remarked that those who penetrate the meaning of dukkha，etc.，do a far more difficult thing （S.v.453f）.
2．Chiggala Sutta.-It is more probable that a blind turtle，rising to the surface only once in a hundred years，should put his neck through a yoke （chiggala） with a single hole，floating about in the ocean，than that a fool who has gone to the Downfall should become a man again （S.v.455； cp．M.iii.169； Thig.500）.
3．Chiggala Sutta.-Similar to 2．It is more probable that a turtle，etc．．．.，than that one should get birth in a human form，or that a Tathāgata should arise in the world，or that the Dhamma and Vinaya proclaimed by a Tathāgata should be shown in the world．See alsoTālacchiggala Sutta （S.v.456）.