"Suffer Not The Unclean To Live"

"Uphold The Honour Of The Emperor"

"Abhor The Witch, Destroy The Witch"

"Accept Any Challenge, No Matter The Odds"

-Black Templar Vows

"The galaxy is the Emperor's, and anyone or anything who challenges that claim is an enemy who must be destroyed."

— High Marshal Helbrecht at the Battle of Fire and Blood