Kitap 5
4
Also an act may be either just or unjust incidentally. A man may restore a deposit unwillingly and from fear of consequences, and we must not then say that he does a just act, nor that he acts justly, except incidentally; and similarly a man who under compulsion and against his will fails to restore a deposit can only be said to act unjustly or do what is unjust incidentally.
5
Again voluntary acts are divided into acts done by choice and those done not by choice, the former being those done after deliberation and the latter those done without previous deliberation.