Brother Cavil: In all your travels, have you ever seen a star go supernova?
Ellen Tigh: No.
Brother Cavil: No? Well, I have. I saw a star explode and send out the building blocks of the Universe. Other stars, other planets and eventually other life. A supernova! Creation itself! I was there. I wanted to see it and be part of the moment. And you know how I perceived one of the most glorious events in the universe? With these ridiculous gelatinous orbs in my skull! With eyes designed to perceive only a tiny fraction of the EM spectrum. With ears designed only to hear vibrations in the air.
Ellen Tigh: The five of us designed you to be as human as possible.
Brother Cavil: I don't want to be