[734] Bhikkhus, that a bhikkhu contemplating Nibbāna as suffering (dukkha) will be possessed of conformable acceptance (anulomikā khanti) — this is impossible. That one not possessed of conformable acceptance will enter the fixed course of rightness (sammattaniyāma) — this is impossible. That one not entering the fixed course of rightness will realize the fruition of stream-entry, the fruition of once-returning, the fruition of non-returning, or the fruition of arahantship — this is impossible. Bhikkhus, that a bhikkhu contemplating Nibbāna as happiness will be possessed of conformable acceptance — this is possible. That one possessed of conformable acceptance will enter the fixed course of rightness — this is possible. That one entering the fixed course of rightness will realize the fruition of stream-entry, the fruition of once-returning, the fruition of non-returning, or the fruition of arahantship — this is possible.
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.