1. Duppañña Sutta.-One who is an unbeliever, immoral, indolent and of weak wisdom, is born in purgatory. A.ii.227.
2. Duppañña Sutta.-One who has the above qualities is censured by the wise and gathers much demerit. A.ii.227.
3. 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 bojjhangas. S.v.99.