Best Primarch Quotes & Sayings

I cannot accept that,' said Uriel. 'The destruction of the Emperor's loyal subjects cannot be right.'
'We cannot always do what is right, Uriel. There is often a great gulf in the difference between the way things are and the way we believe they should be. Sometimes we must learn to accept the things we cannot change.'
'No, lord admiral, I believe we must endeavour to change the things we cannot accept. It is by striving against that which is perceived as wrong that makes a great warrior. The primarch himself said that when a warrior makes peace with his fear and stands against it, he becomes a true hero. For if you do not fear a thing, where is the courage in standing against it? — Graham McNeill

That's all you get," said Alpharius, and split him in half.
Alpharius sheathed his gladius, and dragged the sabre out of his torso. He tossed it away, and walked through the liter of bodies to where Namatjira was kneeling on the deck.
"Please! My lord primarch! Please, I beg you!" Namtjira pleaded, his hands making a desperate namaste.
Alpharius drew his boltgun.
"Why?" shrieked Namatjira. "Why are you doing this?
"For the Emperor," said Alpharius, and pulled the trigger. — Dan Abnett

Xaphen swore an oath never to fail his primarch.

Argal Tal did not. He spoke in a voice soft enough to break hearts, "We are heretics, father. — Aaron Dembski-Bowden