1. Duppañña Sutta.– A monk asks the Buddha as to who can be called a witless imbecile, and the answer is, he who fails to practise the seven factors of enlightenment (bojjhaṅga). S.v.99.
2. Duppañña Sutta.– One who is an unbeliever, immoral, indolent and of weak wisdom, is born in purgatory. A.ii.227.
3. Duppañña Sutta.– One who has the above qualities is censured by the wise and gathers much demerit. A.ii.227.