“- Giddy: Did you know it could be dangerous to wake somebody up when they're dreaming, well, because you leave part of your brain behind. And if it happens too many times, you go feeble in the head.
- Sheela: Yeah. You're living proof.”
Portia de Rossi - Giddy
Elle Macpherson - Sheela

“They say most of your brain shuts down in cryo-sleep. All but the primitive side, the animal side. No wonder I'm still awake.”
Vin Diesel - Richard B. Riddick

“They say we only use a fraction of our brain's true potential. Now that's when we're awake. When we're asleep, we can do almost anything.”
Leonardo DiCaprio - Cobb

“- Ygor: You're going to help him Doctor? You are giving him life?
- Ludwig Frankenstein: Yes but not for the purposes that you think Ygor. I'm giving him strength so that an operation may be successful.
- Ygor: An operation?
- Ludwig Frankenstein: Yes. I'm giving him another brain.”
Béla Lugosi - Ygor
Cedrick Webster Hardwicke - Dr. Frankenstein

“- Ygor: Whose brain?
- Ludwig Frankenstein: Kettering. A man of character and learning. The monster will cease to be an evil influence and become everything that is good.”

Béla Lugosi - Ygor
Cedrick Webster Hardwicke - Dr. Frankenstein