Tatiyavohārasutta

“Cattārome, bhikkhave, anariyavohārā. Katame cattāro? Diṭṭhe adiṭṭhavāditā, sute asutavāditā, mute amutavāditā, viññāte aviññātavāditā— Ime kho, bhikkhave, cattāro anariyavohārā”ti. Dasamaṁ.

“Mendicants, there are these four ignoble expressions. What four? Saying you haven’t seen, heard, thought, or known something, and you have. These are the four ignoble expressions.”