Маджхима Никая 1:68
SUJATOĀkiñcaññāyatanaṁ ākiñcaññāyatanato sañjānāti;
They perceive the dimension of nothingness as the dimension of nothingness.
Ākiñcaññāyatanaṁ ākiñcaññāyatanato sañjānāti;
They perceive the dimension of nothingness as the dimension of nothingness.