Just... right... correct, concerned with the principles of right conduct or the distinction between right and wrong; ethical. (religion.blogs.cnn.com)
One guide to right conduct which has been of great help to me is the old maxim, «So act that you can will the principle of your act to be law universal.» (religion-online.org)
Most basically, by beginning with the notion that all violence is evil he insures that his major concerns focus on the jus ad bellum choice to use forceful or coercive means, not with what the jus in bello principles of discrimination and proportionality may tell us with regard to right conduct in the war on terror. (firstthings.com)