Moroni expressed righteous anger toward Ammoron for his murderous attacks. Elder Bruce R. McConkie described the difference between the two kinds of anger: “As with nearly all strong emotions or passions, anger is manifest both in righteousness and in unrighteousness … .
“Righteous anger is an attribute of Deity. His anger is everlastingly kindled against the wicked. … Similarly, an inspired man might speak or act in righteous anger, as when Moses broke the tablets upon which the Ten Commandments were written… .
“But where man is concerned there is peril in anger, and the fear is ever present that the emotion and passion attending it will be exercised in unrighteousness” (Mormon Doctrine, 37).