“I am Sebastian, or Sebastian is I, or perhaps we both are someone whom neither of us knows.”

“Ciel: *Over Sebastian's 'dead' body* THAT'S AN ORDER! WAKE UP! RIGHT NOW!Sebastian: *thinking* But I am awake...”

“You will have to forgive me, Major Woodruffe. I am new to marriage, and perhaps more given to jealousy than some of the more experienced husbands that you know. It is possible that you seek only friendship with my wife. If, however, you entertain any other--"-Sebastian to Woodruffe"I assure you that such a thing is the furthest thing from my mind."-Woodruffe to Sebastian"Come now, Major. We are both men. Such ideas are never far from our minds at all. But if you do anything that causes me to think that your mind dwells long on that particular idea, I will thrash you, I will ruin you, and I will probably kill you.-Sebastian to Woodruffe”

“I’m here because I know the sadness inside you. I know what it feels like to wake in the morning, lost and lonely and aching for someone to be there with me. (Sebastian)”

“We are one now, little brother, you and I," Sebastian said. "We are one.”

“No offense but I don't relish being someone's science experiment. Been there, done that, and sold the T-shirt for profit. (Sebastian)”