Quotes / Your Mind Makes It Real

What do I care for your suffering? Pain, even agony, is no more than information before the senses, data fed to the computer of the mind. The lesson is simple: you have received the information, now act on it. Take control of the input and you shall become master of the output.
Chairman Sheng-ji Yang - "Essays on Mind and Matter", Sid Meierís Alpha Centauri

Neo: I thought it wasn't real.
Morpheus: Your mind makes it real.
Neo: If you're killed in the Matrix, you die here?
Morpheus: The body cannot live without the mind.

If you die in your sleep while playing his game, you die. If you die in his game itself, you die. If you eat a turkey leg in the game, you get full in real life.

"It was only an illusion, but the more you believed in it... the more real it became."

Tores: But none of this is real!
The Clown: Of course it's real, it's as real as a nightmare.
Kim: The two we found dead, both suffered from massive heart attacks.
The Clown: Heart attack? Now what might cause a heart attack? Hmm...unmanageable stress, perhaps? Unmanageable FEAR? Fear of losing a head, perhaps?
Star Trek: Voyager, "The Thaw"

Grif: Whoa, wait a second, does this hologram jeep fire hologram slugs, or real slugs?
Sarge: As long as we're in this room everything will seem real to us. It's all simulated, but your mind makes it real.
Simmons: Ooh, like The Matrix.
Lopez: (In Spanish) Right. But without all the Eastern philosophy stuff that no one understands.

Darth Andeddu: What you believe to be real is what is real! Even your own death!

(Hierophant Green has Death 13 on the ropes.)
Kakyoin: Alright, Death 13. I wouldn't mind unleashing a Bigbang: Melon inside of you, but I wouldn't be opposed to you just surrendering.
Death 13: I surrender! What do I have to do?!
(Kakyoin displays the arm with the bloody "Baby Stand" tattoo.)
Kakyoin: First, on my arm, this baby stand. I want you to erase this. Since, this is the Dream World, you can do it, can't you?
Death 13: I got it! Rally rally ho!
(Death 13 removes it.)
Kakyoin: Okay, it's gone. Now when we get out of this dream, I want you to leave my memory intact. I want you erase their memories like normal.
Death 13: I got it! I got it!
Kakyoin: Then I want my favorite Anime heroine to...
Death 13: I got it! I got it!

Yes, we know it's in our heads; that is indeed the problem. That's why we're asking you to fix our heads.

(While falling off a cliff in a virtual dream)
Marge: Relax. Everyone knows that if you die in a dream you just wake up.
Professor Frink: Oh, actually, because I neglected to install the latest Adobe Acrobat update, if you die in the dream, you die in real life. Incidentally, I've also proven that hell is real and everyone goes there.

"I don't know if he's real or not, but he's real to Robin, and that's all that matters. The stress on his brain is destroying his body. Robin truly believes he's fighting Slade...and Slade is winning."
Raven, Teen Titans, "Haunted"

Blood dripped from both her nostrils, and her muscles began to ache, then to tear themselves apart. Her bowels and bladder explosively evacuated and swelling bubbles of pure agony erupted in her belly and chest and every muscle, in the marrow of her bones and the pressurized cage of her skull. She screamed, but she could hear only the teapot whistle of compressed gasses pouring out of her burst eardrums, her tear ducts and sinuses, forcing its way out of her pores.
It made no difference that she had been sitting at the table with Sergei the whole time, or even if the entire jaunt was only a dream or a telepathic fantasy. The mind pays tricks, Sergei had said, and he was not lying.
Rapture of the Deep by Cory Goodfellow