Aristotle, Nicomachean Ethics
H. Rackham, Ed.

though accidentally it may be the greater. With this however science is not concerned; science pronounces pIeurisy a more serious disorder than a sprain, in spite of the fact that in certain circumstances a sprain may be accidentally worse than pleurisy, as for instance if it should happen that owing to a sprain you fell and in consequence of falling were taken by the enemy and killed.） [9]

In a metaphorical and analogical sense however there is such a thing as justice, not towards oneself but between different parts of one's nature; not, it is true, justice in the full sense of the term, but such justice as subsists between master and slave, or between the head of a household and his wife and children. For in the discourses on this question¹ a distinction is set up between the rational and irrational parts of the soul; and this is what leads people to suppose that there is such a thing as injustice towards oneself, because these parts of the self may be thwarted in their respective desires, so that there may be a sort of justice between them, such as exists between ruler and subject. [10]

So much may be said in description of Justice and of the other Moral Virtues.