Vatthasutta

Suttapiṭaka · Saṁyuttanikāya · Mahāvaggasaṁyutta · Vol. 19 · Section 385

[385] "Friends, if it is thus with me: 'the mindfulness factor of awakening (satisambojjhaṅga)' — then it occurs to me: 'It is measureless'; it occurs to me: 'It is well undertaken.' While it persists, I understand: 'It persists.' And if it subsides in me, I understand: 'It subsides in me with this as its condition.' …"

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.