Ember

“My mind," he said, "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. I can dispense then with artificial stimulants. But I abhor the dull routine of existence. I crave for mental exaltation. That is why I have chosen my own particular profession, or rather created it, for I am the only one in the world.”
― Arthur Conan Doyle, The Sign of Four

“I never remember feeling tired by work. though idleness exhausts me completely.”
― Arthur Conan Doyle

“Work is the best antidote to sorrow, my dear Watson.”
― Sir Arthur Conan Doyle, The Return of Sherlock Holmes

“I'm not a psychopath, I'm a high-functioning sociopath. Do your research.”
― Steven Moffat, A Study In Pink