The Practical Activity begins as Economic, directed towards particular ends. There is individual action; but there is also action universalised: directed to general ends: and this action is Ethical. Utility passes over into goodness: there is no good action which is not in some way useful, there is no useful action which is not in some way good. Here again, then, we have two inseparable activities, related, as are the theoretic activities, as a first and second degree, yet each involving the other. The relation is identical with that of the _a priori_ synthesis, and the term may be extended to cover this relation also. Finally, the two sides of the activity of the spirit, the theoretic and the practical, are themselves related in this same double degree by a relation of synthesis that we may again term _a priori_. The theoretic activity cannot exist apart from the practical, nor the practical apart from the theoretic. The relation is again the same as that which obtains for the relation of the elements constituting each pair of the four ‘moments,’ and for the pairs themselves. The _a priori_ synthesis is extended to cover all these relations. With Croce’s theory of Beauty we have already made acquaintance. As we have seen, Kant laid the foundations by his discussion of the judgment of taste; Vico, by distinguishing the imaginative from the intellectual plane, had supplied the basal idea; but it was left to Croce to see that Beauty is expression, or the form given by the spirit to its intuitions, through which it makes contact with Reality. It must, however, be borne in mind that Croce draws an absolutely definite line between the expression, which belongs to the Theoretic Activity, and the technical embodiment of that expression, which belongs to the domain of the Practical. The work of art affords simply the stimulus which enables us to recreate the artist’s expression; and it is the expression, not the work of art, that is beautiful. The Beautiful is a distinct concept; the Ugly is ugly in so far as it fails in distinctness, through failure to express. Beauty is simply aesthetic value--the value of the expressed intuition; ugliness the lack of aesthetic value, through lack of clarity in intuition and expression.