@suzianne saidThose dang lizards fighting again.
Things we've seen:
"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 dark near the Tannhäuser Gate. All those moments will be lost in time, like tears in rain. Time to die."
-Removed-Here, I think you'll enjoy this wiki page about the quote and Rutger's part in it.
https://en.wikipedia.org/wiki/Tears_in_rain_monologue
Not an ad-lib, but his re-write of that part of the script. The page has the original line from the script for comparison. Reception of the quote among fans as well as the crew on set has been nothing short of amazing. It served to define the rest of his career.