Маджхима Никая 1:105
SUJATOnibbānaṁ nibbānato saññatvā nibbānaṁ maññati, nibbānasmiṁ maññati, nibbānato maññati, nibbānaṁ meti maññati, nibbānaṁ abhinandati.
Having perceived extinguishment as extinguishment, they conceive it to be extinguishment, they conceive it in extinguishment, they conceive it as extinguishment, they conceive that ‘extinguishment is mine’, they approve extinguishment.