The Ancient One : You're a man looking at the world through a keyhole.
You've spent your whole life trying to widen that keyhole... to see more, to know more.
And now, on hearing that it can be widened, in ways you can't imagine, you reject the possibility.
Dr. Stephen Strange : No, I reject it because I do not believe in fairy tales about chakras or energy or the power of belief.
Continue : There is no such thing as spirit! We are made of matter and nothing more. You're just another tiny, momentary speck within an indifferent universe!
The Ancient One : Open your [third]eye.
[She touches Strange's forehead and blasts him into an odyssey across dimensions]
The Ancient One : [as Doctor Strange is being moved through various dimemsions of the Multiverse]
You think you know how the world works?
You think that this material universe is all there is? What is real?
What mysteries lie beyond the reach of your senses? At the root of existence, mind and matter meet. Thoughts shape reality. This universe is only one of an infinite number. Worlds without end. Some benevolent and life giving. Others filled with malice and hunger. Dark places where powers older than time lie ravenous... and waiting. Who are you in this vast multiverse, Mr. Strange?