Yes, yes. For the Emperor and fluffy kittens. Wait, did I say that bit about kittens outloud? Sorry, just got back from a crusade through the Eye of Terror and I keep... hearing.... things.... about kittens.
A son of Guilliman. If anything, my experience has taught me that you are among the most arrogant of these "Adeptus Astartes" - and that is saying a lot. No matter. If anything, it is always more enjoyable to humble a prideful savage as opposed to one who already knows it's place!
Other Space marine chapters have had 10k years to prove that our codex sucks and that they're better then us. We act superior for a reason.