Moreover, it should be known that division and flux and change τομὴ, καὶ ρεῦσις, καὶ μεταβολή. are peculiar to the body alone. By change, I mean change in quality, that is in heat and cold and so forth: by flux, I mean change in the way of depletion Nemes., de Nat. Hom., ch. 1., for dry things and wet things and spirit Or, breath, πνεῦμα. suffer depletion, and require repletion: so that hunger and thirst are natural affections. Again, division is the separation of the humours, one from another, and the partition into form and matter Nemes., de Nat. Hom., ch. 1..