Howard: (Singing) Bernadette, I am so sorry for... trying to propose to you. Bernadette, you found it creepy, but... that's just the kind of thing I do...Aaaaaaaaahhh. I know now it's too soon to talk of love, it was just a crazy idea that came to me in my tub. Bernadette, give me one more chance, Sweet Bernadette. I'll get the hang of this thing they call romance, Sweet Bernadette. I dream to once again kiss your lips, Sweet Bernadette. Sincerely Yours, Howard Wolowitz! Bernadette. (Song Ends) Thank you, Cheesecake Factory.

Howard: You know, I'm really glad you decided to learn Mandarin.
Sheldon: Why?
Howard: Once you're fluent, you'll have a billion more people to annoy instead of me.

Howard: I invented a game. Want to play?
Leonard: Sure.
Howard: It's called Emily or Cinnamon. I give you actual quotes I've heard Raj say, and you guess if he was talking to his girlfriend or his dog.

Bernadette: Does your mother call you every day at work to see if you had a healthy lunch?
Howard: My mother calls me every day at work to see if I had a healthy bowel movement.

Barry Kripke: Hey, Cooper. I hear you're going to be on the radio with Ira Flatow from Science Friday next week.
Sheldon: Thank you, Kripke, for depriving me of the opportunity to share my news with my friends.
Barry Kripke: My pleasure.
Sheldon: My thanks were not sincere.
Barry Kripke: Ah, but my pleasure is.

Sheldon: Biologically speaking, Howard is perfectly justified in seeking out the optimum mate for the propagation of his genetic line. Howard: Thank you, Sheldon. Sheldon: And whether that propagation is in the interest of humanity is, of course, an entirely different question.

Sheldon: Hello, Kripke. This classic prank comes to you from the malevolent mind of Sheldon Cooper. If you would like to see the look on your stupid face, this video is being instantly uploaded to YouTube. Oh, and a hat tip to Leonard Hofstadter and Raj Koothrappali for their support and encouragement in this enterprise.