Board Thread:Warhammer 40k General Discussion/@comment-14745711-20150116233620/@comment-15803608-20170705164632

From the wiki:

"... the psychic nature of the Empyrean means that the collective and strongly-held beliefs of mortals in realspace tend to take on a reality of their own within the Warp. And there are a great many human beings in the galaxy, and a great many of them are fervent, even fanatical believers in the  Imperial Creed  ...  It may be possible that as the ancient credo tells us, the Emperor protects ..."