ABSTRACT
This chapter discusses that the notion of the good of man is the central notion of whole inquiry. The notion of being well is related to the notion of health. Often 'to be well' means exactly the same as 'to be in good, bodily and mental, health'. A man is said to be well when he is all right, fit, in good shape generally. The chapter deals with various aspects of the concept of happiness and with questions relating to the concept of welfare. Human action, which is relevant to the happiness of the agent himself, is of two types. Action of the first type are things which the agent does, measures which he takes for the sake of promoting or protecting his happiness. Action of the second type are things which the agent does or practises for their own sake, as ends in themselves. Pleasure, joy, and happiness are things of increasing degrees of permanence and resistance to changes.
