"In the old days, in the Crusade I thought I could beat most of my brothers. Maybe not Sanguinius. In him there is a fine blend of skill and fury. He is a baresark in angel's garb. Or the Night Haunter, for he has the heedless power of the insane.

But the others…

Angron? He's too angry. Fulgrim?' He shrugged. 'Too proud. Perturabo and Dorn are too stolid. Guilliman is too stern to enjoy battle and so I would beat him too. Lorgar I could spit on and that would drop him into the dirt, he's so weak from all that kneeling. Alpharius is a wretched serpent.

And we all know what happened to the great sorcerer of Prospero"