Holmes

Sherlock Holmes enters a room carrying a box of lemons
"Where'd you get those?" asks Watson.
"A lemon tree, my dear Watson. A lemon tree."
Watson: Holmes, What kind of rock is this?
Holmes: Sedimentary, my dear Watson.
Young man, the secret of my success is that at an early age I discovered I was not God. -- Oliver Wendell Holmes Jr.
What did Sherlock Holmes say when he caught the Christmas tree bandit? It was elemen-tree, my dear Watt-son.