Dr. Sheldon Cooper is commited to science and routine. He dislikes change and anyone sitting in his spot. He is certain that his Nobel Prize is forthcoming, and he loves his mother. He has a collection of restraining orders from people he idolizes like Leonard Nimoy and Stan Lee. He is the quirkiest character in The BIg Bang Theory. Equal parts endearing and exasperating, but always entertaining. Stay tuned for 21 of the greatest Sheldon Cooper quotes (so far).