“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

“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

“- 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

“If I ever see him again, I'm going to cut open his head and eat his brain.”
Dennis Hopper - Deacon

“To have a brain, it's not a sin. To have a brain and not use it, that is a sin.”
Armin Mueller-Stahl - Doc