- I'm so busy doing what I must do that I don't have time for what I ought to do... and I never get a chance to do what I want to do! - Son, that's universal. The way to keep that recipe from killing you is occasionally to do what you want to do anyh...
The way to find justice is to deal fairly with other people and not worry about how they deal with you.
Customs tell a man who he is, where he belongs, what he must do. Better illogical customs than none; men cannot live together without them. From an anthropologist's view, 'justice' is a search for workable customs.