For, O chief of men! that sensible man whom they afflict not, (pain and pleasure being alike to him), he merits immortality. There is no existence for that which is unreal; there is no non-existence for that which is real. And the (correct) conclusion about both is perceived by those who perceive the truth. Know that to be indestructible which pervades all this; the destruction of that inexhaustible (principle) none can bring about.