The Tipiṭaka in Three Languages

Mahāvaggavagga › Sabbamatthītikathā

Abhidhammapiṭaka · Kathāvatthu · Vol. 37 · Section 330

[330] S. The past exists; the past does not abandon its state of being past? The past is impermanent, unstable, non-eternal, subject to change? P. Yes. S. Nibbāna exists; Nibbāna does not abandon its state of being Nibbāna? Nibbāna is impermanent, unstable, non-eternal, subject to change? P. It should not be said thus. …

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 3 other places