Star Trek: The Next Generation Season 2 Episode 2

(Captain Picard when asked, "What is Death?", by Data)
Picard: Some see it as a changing into an indestructible form, forever unchanging. They believe that the purpose of the entire universe is to then maintain that form in an earthlike garden which will give delight and pleasure through all eternity. On the other hand, there are those that hold on to the idea of us blinking into nothingness (Picard snaps his fingers), with all of our experiences and hopes and dreams merely a delusion.
Data: Which do you believe sir?
Picard: Considering the marvelous complexity of our universe, its clockwork perfection, its balances of this against that... matter, energy, gravitation, time, dimension, I believe that our existence must be more then either of these philosophies, that what we are goes beyond Euclidean or other "practical" measuring systems, and that our existence is part of a reality beyond what we understand now as reality.