"Moral righteousness" refers to the belief or demonstration of doing what is morally right or just. It involves having strong principles and acting in a way that aligns with one's ethical values. Full definition
He saw in the real world the search for moral righteousness as filled with ambiguity. (religion-online.org)
Thank goodness they will be returned to the fringes of society from whence they came, knocked fiercely off their pedestal of false moral righteousness (a.k.a. bigotry) and back into their holes. (religion.blogs.cnn.com)