It means, people who are in high and responsible positions, if they go against righteousness, righteousness itself will get transformed into a destroyer.
“Forty is the line of demarcation that says you're an adult now. You're an adult, so don't pretend you're a kid anymore.”
“We are all treading the vanishing road of a song in the air, the vanishing road of the spring flowers and the winter snows, the vanishing roads of the winds and the streams, the vanishing road of beloved faces.”