Self righteousness refers to having an excessive belief in one's own moral superiority or correctness. It means feeling smug or believing that one is always right, often leading to judgmental or arrogant behavior towards others. Full definition
Wrong, pretending that you know what happens in the afterlife or if there is one is the paramount in self righteousness and arrogance. (religion.blogs.cnn.com)
Regardless of which economic system any of them followed self righteousness was more at the heart of the reason they lead men to kill others. (religion.blogs.cnn.com)
I'm sorry if I've offended your sense of self righteousness. (climate-skeptic.com)