One of a series of suttas in the Mahāpaññā Vagga of the Saṃyuttanikāya about the four qualities leading to great wisdom (mahāpaññā), broad wisdom (puthupaññā), extensive wisdom (vipulapaññā), profound wisdom (gambhīrapaññā) immeasurable wisdom (appamattapaññā), abundant wisdom (bhūripaññā), much wisdom (paññābahulla), swift wisdom (sīghapaññā), agile wisdom (lahutapaññā), humorous wisdom (hāsapaññā), lightning wisdom (javanapaññā), clever wisdom (tikkhapaññā), and penetrative isdom (nibbedhikapaññā). These four qualities are:
Association with the worthy, listening to the Dhamma, systematic reflection and living according to the precepts of the Dhamma — these things, if cultivated, lead to immeasurable wisdom. (S.v.412).