The Tipiṭaka in Three Languages

Vagga › Vacībhedakathā

Abhidhammapiṭaka · Kathāvatthu · Vol. 37 · Section 583

[583] "Knowing 'suffering' (dukkha), does one utter the word 'suffering'?" "Yes." "Knowing 'origin' (samudaya), does one utter the word 'origin'?" "It should not be said thus." …

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 1 other place