While my brother was getting an STD, I was getting a PhD.

Sheldon

Leonard: And we weren't even watching TV! We were watching Netflix like the kids do!
Penny: Yeah! Is it a comedy? Is it a drama? Nobody knows!

Bernadette: A two-hundred dollar R2D2 is a business expense?
Howard: Oh, Bernie. You're gonna have to sound a lot more confident when we get audited.

Leonard: It comes with paints and it's kind of creative and artistic.
Penny: Okay, did you go to the dirty store, or Michaels?

Penny: See, this is why I've been saying we should keep champagne on ice.
Sheldon: Sarcasm?
Amy: Yes.
Sheldon: That was tricky because when it comes to alcohol she generally means business.

Amy: After a careful evaluation of our relationship. We decided that the time was right to take a step forward.
Leonard: Okay.
Sheldon: Do you want to say it?
Amy: Let's say it together!
Sheldon and Amy: We're getting a turtle!

The Big Bang Theory Season 8 Episode 17 Quotes

Penny: See, this is why I've been saying we should keep champagne on ice.
Sheldon: Sarcasm?
Amy: Yes.
Sheldon: That was tricky because when it comes to alcohol she generally means business.

Amy: After a careful evaluation of our relationship. We decided that the time was right to take a step forward.
Leonard: Okay.
Sheldon: Do you want to say it?
Amy: Let's say it together!
Sheldon and Amy: We're getting a turtle!