Ferrus-злодей опередил. Ну так немного дополню. 
Оригинальное описание:
On the eve of his final battle, the Emperor saw the treat that the Daemons of the Warp would become, and that none of his current armies could defend Mankind against them. So did he create the Grey Knights: a Chapter of Space Marines trained for the single purpose of forever defending Mankind from the machinations of Daemons. Ten thousand years on the Emperor is all but gone, but the Grey Knights remain. They stand as a shining line of steel against the forces of Chaos and despair, having long ago sacrificed their own humanity so that Mankind itself can endure.
Цитата:
"I shall defend Mankind to my last breath, even should the Realm of Chaos be emptied and its entire host arrayed against me. If the Dark Gods themselves walked this world, still would I raise my sword and bar their way. As a Grey Knight, I can do no less."
- Lord Kaldor Draigo
Название: Grey Knights Codex
Издатель: Games Workshop
Вселенная: Warhammer 40 000
Редакция: 2011
Качество: скан, весьма хороший, текст читабельный, картинки смотрибельные
Язык: английский
Страницы: 100
Файл: PDF (40,8 МБ)
Ну и раз уже залился, чего ссылкам пропадать - немного дополнительных ФО:
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