“- John Nash: Alicia, does our relationship warrant long-term commitment? I need some kind of proof, some kind of verifiable, empirical data.
- Alicia Nash: I'm sorry, just give me a moment to redefine my girlish notions of romance.”
Russell Crowe - John Nash
Jennifer Lynn Connelly - Alicia Nash

“You got me hard as Chinese arithmetic in here!”

D.L. Hughley - Derrick West

“- Sam Hall: I got every question right on the final and the only reason why Mr. Spengler failed me was because I didn't write out the solutions.
- Jack Hall: Why not?
- Sam Hall: I do them in my head.
- Jack Hall: Did you tell him that?
- Sam Hall: I did. He didn't believe me. He said if he couldn't do them in his head then I must be cheating.”

Jake Gyllenhaal - Sam Hall
Dennis Quaid - Jack Hall

“- Leaven: This room moves to 0, 1, and -1 on the X-axis, 2, 5, and -7 on the Y and 1, -1, and 0 on zed.
- Quentin: And what does that mean?
- Leaven: You suck at math.”
Nicole de Boer - Leaven
Maurice Dean Wint - Quentin

“- Leaven: How do you map a point that keeps moving?
- Worth: Permutations.”
Nicole de Boer - Leaven
David Hewlett - Worth