(‘food’ or ‘nutrition’). In the P li Nik yas , h ra sums up the whole teaching of the Buddha in relation to the living being, including the ‘Doctrine of Dependent Origination’, paticca-samupp da . The basic perception is that ‘all beings live on food’ ( sabbe satt h ra hitika , Digha Nik ya iii. 211). This statement covers the whole nature of a living organism, which depends not only on material food but also psychic food, for its sustenance.