Lyric discussion by dpknowles 

it's about how blind faith (religion) drives people to do terrible things which impact on the innocent, in the name of what is essentially perpetuated myth and nonsense - religion!

I think its less about how blind faith drives people to to terrible things and its more about the effect of a person or a group of people with any type of faith (blind or not) insists that another person or group of people should believe the same exact way. this also answers billthecat's question of what those lines could mean: believe is a beautiful armor and makes for the heaviest sword kinda implies that when you have a belief no one can rightfully tell you that you are wrong about it... or it makes it harder for people to...

@dpknowles So very true!

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