“- Tom Beck: You know what bothers me about these two guys DeVries and Miller?
- Lloyd Gallagher: Neither has a criminal record. They both lead normal lives until a few days ago, and now they're killing people.
- Tom Beck: Do you read minds or was that just a shot in the dark?
- Lloyd Gallagher: No, I read minds.”
Michael Nouri - Tom Beck
Kyle MacLachlan - Lloyd Gallagher

“- Mr. Taggart: We've no guarantee that these theories of yours are workable.
- Thomas A. Edison: Well, most electricity is theory yet.”
Gene Lockhart - Mr. Taggart
Spencer Tracy - Thomas A. Edison

“He had a theory that if you should find one perfect thing, or place or person, you should stick to it.”

Joan Fontaine - Mrs. de Winter

“As much as I enjoyed your wild theories the truth is far less complex.”

Timothy Dalton - Simon Skinner

Although he was considered insane by his peers, Bernoulli's theory states that the air flowing over a bird's wing is at a lower pressure than the air flowing under the wing. That's called "lift". Of course, it's only a theory, it's never been tested...

Kevin Kline - Artemus Gordon