Vatthasutta

Suttapiṭaka · Saṁyuttanikāya · Mahāvaggasaṁyutta · Vol. 19 · Section 388

[388] "If, friend (āvuso), it occurs to me: 'the mindfulness factor of awakening (satisambojjhaṅga),' it occurs to me: 'it is measureless'; it occurs to me: 'it is fully perfected.' While it persists, I understand that it persists; and even if it subsides in me, I understand: 'it subsides in me with this as condition.' …

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.