Majjhima Nikaya 1:65
SUJATOviññāṇañcāyatanaṁ viññāṇañcāyatanato saññatvā viññāṇañcāyatanaṁ maññati, viññāṇañcāyatanasmiṁ maññati, viññāṇañcāyatanato maññati, viññāṇañcāyatanaṁ meti maññati, viññāṇañcāyatanaṁ abhinandati.
Having perceived the dimension of infinite consciousness as the dimension of infinite consciousness, they conceive it to be the dimension of infinite consciousness …