I assure you, my good Lestrade, that I have an excellent reason for everything that I do.
The Return of Sherlock HolmesThe absence of the latter means nothing, though its presence may mean everything
The Return of Sherlock HolmesIt is stupidity rather than courage to refuse to recognize danger when it is close upon you.
The Memoirs of Sherlock Holmes...above all, do not fret until you know that you really have a cause for it.
The Memoirs of Sherlock HolmesTo underestimate oneself is as much an exaggeration of one's powers than the other.
The Memoirs of Sherlock HolmesSherlock Holmes: [to Watson] My mind rebels at stagnation. Give me work! The sooner the better.
Sherlock Holmes[repeated line] Sherlock Holmes: [riding a pony] Slow and steady wins the race.
Sherlock Holmes: A Game of ShadowsYou have a grand gift for silence, Watson. It makes you quite invaluable as a companion.
The Complete Sherlock Holmes