Vipallāsasutta
“Cattārome, bhikkhave, saññāvipallāsā cittavipallāsā diṭṭhivipallāsā. Katame cattāro? Anicce, bhikkhave, niccanti saññāvipallāso cittavipallāso diṭṭhivipallāso; dukkhe, bhikkhave, sukhanti saññāvipallāso cittavipallāso diṭṭhivipallāso; anattani, bhikkhave, attāti saññāvipallāso cittavipallāso diṭṭhivipallāso; asubhe, bhikkhave, subhanti saññāvipallāso cittavipallāso diṭṭhivipallāso. Ime kho, bhikkhave, cattāro saññāvipallāsā cittavipallāsā diṭṭhivipallāsā.
Perversions
“Mendicants, there are these four perversions of perception, thought, and view. What four? Taking impermanence as permanence. Taking suffering as happiness. Taking not-self as self. Taking ugliness as beauty. These are the four perversions of perception, thought, and view.