Whether man can attain happiness by his natural powers?

❌ Objection 1 : It would seem that man can attain Happiness by his natural powers. For nature does not fail in necessary things. But nothing is so necessary to man as that by which he attains the last end. Therefore this is not lacking to human nature. Therefore man can attain Happiness by his natural powers.

❌ Objection 2 : Further, since man is more noble than irrational creatures, it seems that he must be better equipped than they. But irrational creatures can attain their end by their natural powers. Much more therefore can man attain Happiness by his natural powers.

❌ Objection 3 : Further, Happiness is a "perfect operation," according to the Philosopher (Ethic. vii, 13). Now the beginning of a thing belongs to the same principle as the perfecting thereof. Since, therefore, the imperfect operation, which is as the beginning in human operations, is subject to man's natural power, whereby he is master of his own actions; it seems that he can attain to perfect operation, i.e. Happiness, by his natural powers.