It means, people who are in high and responsible positions, if they go against righteousness, righteousness itself will get transformed into a destroyer.
“Throughout the centuries, man has considered himself beautiful. I rather suppose that man only believes in his own beauty out of pride; that he is not really beautiful and he suspects this himself; for why does he look on the face of his fellow-man with such scorn?”
“There is nothing more natural than to consider everything as starting from oneself, chosen as the center of the world; one finds oneself thus capable of condemning the world without even wanting to hear its deceitful chatter.”