the maxim of actions, and the end is the matter (object) of elective will; hence there are many duties, differing according to the difference of lawful ends, which may be called duties of virtue (officia honestatis), just because they are subject only to free self-constraint, not to the constraint of other men, and determine the end which is also a duty.

Virtue, being a coincidence of the rational will, with every duty firmly settled in the character, is, like everything formal, only one and the same. But, as regards the end of actions, which is also duty, that is, as regards the matter which one ought to make an end, there may be several virtues; and as the obligation to its maxim is called a duty of virtue, it follows that there are also several duties of virtue.

The supreme principle