Paṭhamavohārasutta

“Cattārome, bhikkhave, anariyavohārā. Katame cattāro? Adiṭṭhe diṭṭhavāditā, asute sutavāditā, amute mutavāditā, aviññāte viññātavāditā— Ime kho, bhikkhave, cattāro anariyavohārā”ti. Aṭṭhamaṁ.

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