• My mind rebels at stagnation. Give me problems, give me work, give me the most abstruse cryptogram, or the most intricate analysis, and I am in my own proper atmosphere. But I abhor the dull routine of existence. I crave for mental exaltation.

    Arthur Conan Doyle (2012). “The Complete Sherlock Holmes: with an introduction from Robert Ryan”, p.98, Simon and Schuster