Pariññāvāra

Abhidhammapiṭaka · Yamaka (2) · Vol. 39 · Section 1419

[1419] Whoever abandons the grief faculty (domanassindriya), will he develop the 'I shall come to know the unknown' faculty (anaññātaññassāmītindriya)? No. Or rather, whoever will develop the 'I shall come to know the unknown' faculty, does he abandon the grief faculty? No.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places