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.
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.
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.
The decisive moment in human evolution is perpetual. That is why the revolutionary spiritual movements that declare all former things worthless are in the right, for nothing has yet happened.
Matter is real to my senses, but they aren't trustworthy. If Galileo or Copernicus had accepted what they saw, they would never have discovered the movement of the earth and planets.