"I've seen things you people wouldn't believe. Attack ships on fire off the shoulder of Orion. I watched C-beams glitter in the darkness at Tannhäuser Gate. All those moments will be lost in time like tears in rain. Time to die." - Roy, in the final scene of Blade Runner
I mean, really, can you beat that?
Here are my picks, but I can't bring myself to put them in order:
The Seven Samurai; In the Mood for Love; STALKER; The Shining; A Boy and His Dog; Blade Runner; Yojimbo; SWORD OF DOOM; High and Low; A Fistful of Dollars; Star Wars; Road Warrior; Young Frankenstein; Memento; Brazil; City of God; Badlands; Snake in Eagle's Shadow; Citizen Kane; Akira; Chinatown; Infernal Affairs; Drunken Master; La Jetee (and 12 Monkeys, which was inspired by La Jetee).