This is ultimately the responsibility of every person, to decide what actions are just and unjust and act accordingly. Yes, it's hard, and there is no universally accepted objective standard - but tough, you don't get a free pass anyway.
Feel free to take guidance wherever you find it - from the principles of the law itself, from your peers, your family, your elders. But consider Nuremburg, and consider the Milgram Experiment: ultimately the responsibility is yours, and cannot be shirked.
Feel free to take guidance wherever you find it - from the principles of the law itself, from your peers, your family, your elders. But consider Nuremburg, and consider the Milgram Experiment: ultimately the responsibility is yours, and cannot be shirked.