1. Paṭhamapubbārāma Sutta.– Taught at the Pubbārāma. Gaining the controlling faculty of wisdom (paññindriya) leads to the destruction of the corruptions (āsava). S.v.222.
3. Tatiyapubbārāma Sutta.– The cultivation of the four controlling faculties — energy (viriya), mindfulness (sati), concentration (samādhi), and wisdom (paññā) — leads to the destruction of the corruptions. S.v.223.