The sobering fact is that reforms need constant reforming. Rescuers need rescue. 114 Amendments need amendment. Repentant sinners need to repent even of some dimensions of their repentance, such as their pride in the humility that has driven them to their knees. 115 Evil contaminates every scalpel designed to remove it. Even the Montgomery bus boycott —as just a cause as any —had to fight corruption within as well as without.