Nash: Find a truly original idea. It is the only way I will ever distinguish myself. It is the only way I will ever matter.
Charles: Nothing's ever for sure, John. That's the only sure thing I do know.
Alicia: I was wondering Professor Nash, if I could take you to dinner? [he hesitates] Alicia: You do eat don't you?
Alicia: You want to know what's real? This... [putting her hand on his heart and his hand on her face] Alicia: ... this is real.
Alicia: The problem you left on the board, I solved it. John Nash: No, you didn't. Alicia: You didn't even look! John Nash: I never said the vector fields were rational functions... Your solution is elegant, though ultimately incorrect.
[Hansen is concerned about John still having hallucinations] Nash: They are my past. Everyone is haunted by their past.
Nash: She never gets old! Marcee can't be real; she never gets old!
Nash: In competitive behavior someone always loses. Charles: Well, my niece knows that, John, and she's about this high. Nash: See if I derive an equilibrium where prevalence is a non-singular event where nobody loses, can you imagine the effect that...
Nash: I don't exactly know what I am required to say in order for you to have intercourse with me. But could we assume that I said all that. I mean essentially we are talking about fluid exchange right? So could we go just straight to the sex.
[first lines] Helinger: Mathematicians won the war. Mathematicians broke the Japanese codes... and built the A-bomb. Mathematicians... like you. The stated goal of the Soviets is global Communism. In medicine or economics, in technology or space, bat...
Charles: Her husband was too drunk to know he was too drunk to drive.
Alicia: God must be a painter. Why else would we have so many colors?
Charles: [offering Nash a flask of whiskey] Listen. If we can't break the ice, how 'bout we drown it?
Alicia: It's called "life," John. Activities available; just add meaning.
Nash: There's no point in being nuts if you can't have a little fun.
MIT Student: Can we open up the window, Professor? It's hot in here. John Nash: Your comfort comes second to my ability to hear my own voice.
Nash: Good morning, eager young minds
Dr. Rosen: You can't reason your way out of this! Nash: Why not? Why can't I? Dr. Rosen: Because your mind is where the problem is in the first place!