The sort of Proof that Utility is susceptible of:--the evidence that happiness is desirable, is that men desire it; it is consistent with Utility that virtue should be desired for itself.

Connexion between Justice and Utility:--meanings of Justice; essentially grounded in Law; the sentiments that support Justice, are Self-defence, and Sympathy; Justice owes its paramount character to the essential of Security; there are no immutable maxims of Justice.
BAILEY.

Facts of the human constitution that give origin to moral phenomena:--susceptibility to pleasure and pain, and to the causes of them; reciprocation of these; our expecting reciprocation from others; sympathy.

Consideration of our feelings in regard to actions done to us by others.

Our feelings as spectators of actions done to others by others.