The too perfect security of the Upper-worlders had led them to a slow movement of degeneration, a general dwindling in size, strength, and intelligence.
The ecological movement is concerned about this, and this is in here, where everything is public. In Iran, where everything is covert, we have no firsthand information.
Look not at what is contrary to propriety; listen not to what is contrary to propriety; speak not what is contrary to propriety; make no movement which is contrary to propriety.