The Emperor ordered the Imperial Truth to be brought to all the worlds of Mankind, peacefully at first but imposed by war if necessary, because the Emperor believed that unity was the only way for humanity to survive and prosper in the face of a very hostile universe. If this required the unfortunate use of force against those who refused to understand this necessity, then so be it. While the Imperial Truth upheld the light of reason and science, it did have one proscription: men must never develop artificially intelligent machines. The Emperor remembered that it was the great war fought by Mankind against the thinking machines known as the Men of Iron that had helped to destroy humanity's last united interstellar civilisation at the end of the Dark Age of Technology and He had no desire t