Amy: How can you feel bad if Stephen Hawking says you're brilliant?
Sheldon: I can't. Thank you, Professor Hawking. You are a gift to mankind. There should be statues of you everywhere. You know, the Lincoln Memorial has a big chair. We could swap you right in.
Stephen Hawking: I always thought a motorized toy of me would be cool.
Sheldon: What a wonderful idea! How does this man not have a Nobel?
Leonard: (To Amy) Do not tell Wolowitz.
Amy: Way ahead of you.