The larger crimes are apt to be the simpler, for the bigger the crime, the more obvious, as a rule, is the motive.
E. W. Hornung, Arthur Conan Doyle, John Kendrick Bangs (2016). “COLLECTOR’S EDITION – COMPLETE RAFFLES SERIES & SHERLOCK HOLMES ADVENTURES: 60+ Novels & Stories in One Volume (Mystery & Crime Classics): Including The Amateur Cracksman, The Black Mask, A Thief in the Night, Mr. Justice Raffles, Mrs. Raffles, R. Holmes & Co., and The Adventures of Sherlock Holmes”, p.823, e-artnow
