ADJ-GRADED 以正人君子自居的;自以为是的 If you describe someone as self-righteous, you disapprove of them because they are convinced that they are right in their beliefs, attitudes, and behaviour and that other people are wrong. 以正人君子自居的;自以为是的 [disapproval]
He is critical of the monks, whom he considers narrow-minded and self-righteous.