The Guide is definitive. Reality is frequently inaccurate.

- Douglas Adams

I like definitive things.

- Jerry Seinfeld

A writer's definitive death is when no one reads his books anymore. That's the final death.

- Jose Saramago

I'm not quite pompous enough to think of myself as an educator or a man capable of definitive refutation of falsehoods.

- John Shirley

The theatrical versions are the definitive versions. I regard the extended cuts as being a novelty for the fans that really want to see the extra material.

- Peter Jackson