General
"Well, a child's curiosity and a detective's spirit of inquiry... Do have much in common, after all..."
—Volume 76, Chapter 799, Page 14
Specific
"As Expected of daughter... You look very much alike... Pleased to meet you... Bourbon... That's my codename..."
— File 823, said to the person whom he thought was Sherry
Quotes about Rei
"Gin: Heh, Always doing as he pleases... that bastard irritates me as usual
Kir: Who do you mean?
Gin: Like you said, one who you wish only existed in novels. A detective like Sherlock Holmes."
—Volume 67, File 8, Page 13-14: "Silent Clash"
"Well, it seems you've gained some trust for the time being... You will abide by the promise you made to me, right, Bourbon?"
— File 800,Page 15-16:" When Objects Collide", Vermouth spoke to him on the phone.