"We must go now?" - Gollum, The Two Towers (LOTR, movie)

"I've still got time..." -Mr. Incredible, The Incredibles PIXAR movie

"I highly doubt it." - Mr. Burke, Kit Kittredge (movie)

"You're at the age of not believing, and worst of all, you doubt yourself." -Miss Price, Bedknobs and Broomsticks movie

"What must I do?" - Frodo, "The Fellowship Of The Ring" (LOTR, movie)

"You must eat some food from this world, or you'll disappear." -Haku, Spirited Away

EDIT: The actual quote is "If you don't eat some food from this world, you'll disappear".

"He's a smart kid." - Hannah, Journey To The Center Of The Earth (2008, movie)

"He knows! He knows!" -Steven Post, The Barefoot Executive (Disney movie)

"What are you, some sort of circus freak dog?" - Shawn, Firehouse Dog

"I finally figured out what you are. A Tarzan!" -Zugor, Tarzan II

"I think there's more to this Hobbit than meets the eye." - Gandalf, "The Fellowship Of The Ring" (LOTR, movie)

"If he could be turned, he would be a powerful ally." -Darth Vader, Star Wars: The Empire Strikes Back

"No one of our age has ever taken power." -William Wilberforce, Amazing Grace the movie

"A Jedi Knight? Jeez, I'm out of it for a little while, everyone gets delusions of grandeur!" -Han Solo, Return of the Jedi

"Know the feeling." -Merlin, BBC TV Show Merlin