" I might not have gone but for you, and so have missed the finest study I have ever come across: a study in scarlet, eh? Why shouldn't we use a little art jargon. There's the scarlet thread of murder running through the colorless skein of life, and our duty is to unravel it, and isolate it, and expose every inch of it.
-Sherlock Holmes "
― Arthur Conan Doyle , A Study in Scarlet (Sherlock Holmes, #1)